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253631141 is a prime number
BaseRepresentation
bin11110001111000…
…01101010100101
3122200020210111222
433013201222211
51004412144031
641100110125
76166554251
oct1707415245
9580223458
10253631141
11120193915
1270b35345
13407143ca
1425983261
15173eee7b
hexf1e1aa5

253631141 has 2 divisors, whose sum is σ = 253631142. Its totient is φ = 253631140.

The previous prime is 253631069. The next prime is 253631149. The reversal of 253631141 is 141136352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171348100 + 82283041 = 13090^2 + 9071^2 .

It is a cyclic number.

It is not a de Polignac number, because 253631141 - 226 = 186522277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253631141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253631149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126815570 + 126815571.

It is an arithmetic number, because the mean of its divisors is an integer number (126815571).

Almost surely, 2253631141 is an apocalyptic number.

It is an amenable number.

253631141 is a deficient number, since it is larger than the sum of its proper divisors (1).

253631141 is an equidigital number, since it uses as much as digits as its factorization.

253631141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 253631141 is about 15925.8011101483. The cubic root of 253631141 is about 632.9958437984.

Adding to 253631141 its reverse (141136352), we get a palindrome (394767493).

It can be divided in two parts, 2536311 and 41, that added together give a palindrome (2536352).

The spelling of 253631141 in words is "two hundred fifty-three million, six hundred thirty-one thousand, one hundred forty-one".