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252131333 is a prime number
BaseRepresentation
bin11110000011100…
…11100000000101
3122120102121011112
433001303200011
51004021200313
641004014405
76151036526
oct1701634005
9576377145
10252131333
1111a35a003
1270531405
134030a84c
14256b284d
15172058a8
hexf073805

252131333 has 2 divisors, whose sum is σ = 252131334. Its totient is φ = 252131332.

The previous prime is 252131323. The next prime is 252131351. The reversal of 252131333 is 333131252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252110884 + 20449 = 15878^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 252131333 - 220 = 251082757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252131299 and 252131308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252131303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126065666 + 126065667.

It is an arithmetic number, because the mean of its divisors is an integer number (126065667).

Almost surely, 2252131333 is an apocalyptic number.

It is an amenable number.

252131333 is a deficient number, since it is larger than the sum of its proper divisors (1).

252131333 is an equidigital number, since it uses as much as digits as its factorization.

252131333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 252131333 is about 15878.6439282453. The cubic root of 252131333 is about 631.7456690761.

Adding to 252131333 its reverse (333131252), we get a palindrome (585262585).

The spelling of 252131333 in words is "two hundred fifty-two million, one hundred thirty-one thousand, three hundred thirty-three".