537957961 has 2 divisors, whose sum is σ = 537957962. Its totient is φ = 537957960.

The previous prime is 537957949. The next prime is 537957977. The reversal of 537957961 is 169759735.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480486400 + 57471561 = 21920^2 + 7581^2 .

It is a cyclic number.

It is not a de Polignac number, because 537957961 - 2⁹ = 537957449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 537957899 and 537957908.

It is not a weakly prime, because it can be changed into another prime (537957991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268978980 + 268978981.

It is an arithmetic number, because the mean of its divisors is an integer number (268978981).

Almost surely, 2^537957961 is an apocalyptic number.

It is an amenable number.

537957961 is a deficient number, since it is larger than the sum of its proper divisors (1).

537957961 is an equidigital number, since it uses as much as digits as its factorization.

537957961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1786050, while the sum is 52.

The square root of 537957961 is about 23193.9207767898. The cubic root of 537957961 is about 813.2975167684.

The spelling of 537957961 in words is "five hundred thirty-seven million, nine hundred fifty-seven thousand, nine hundred sixty-one".