Search a number
-
+
61031053 is a prime number
BaseRepresentation
bin1110100011010…
…0001010001101
311020211200212101
43220310022031
5111110443203
610020035101
71340520046
oct350641215
9136750771
1061031053
11314a5596
1218532a91
13c84b365
1481698cd
15555841d
hex3a3428d

61031053 has 2 divisors, whose sum is σ = 61031054. Its totient is φ = 61031052.

The previous prime is 61031017. The next prime is 61031101. The reversal of 61031053 is 35013016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60419529 + 611524 = 7773^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 61031053 - 213 = 61022861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61031053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61031153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30515526 + 30515527.

It is an arithmetic number, because the mean of its divisors is an integer number (30515527).

Almost surely, 261031053 is an apocalyptic number.

It is an amenable number.

61031053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61031053 is an equidigital number, since it uses as much as digits as its factorization.

61031053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 61031053 is about 7812.2373875862. The cubic root of 61031053 is about 393.7165048185.

Adding to 61031053 its reverse (35013016), we get a palindrome (96044069).

The spelling of 61031053 in words is "sixty-one million, thirty-one thousand, fifty-three".