1097957537 has 2 divisors, whose sum is σ = 1097957538. Its totient is φ = 1097957536.

The previous prime is 1097957477. The next prime is 1097957551. The reversal of 1097957537 is 7357597901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968703376 + 129254161 = 31124^2 + 11369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097957537 - 2¹⁸ = 1097695393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097957587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548978768 + 548978769.

It is an arithmetic number, because the mean of its divisors is an integer number (548978769).

Almost surely, 2^1097957537 is an apocalyptic number.

It is an amenable number.

1097957537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097957537 is an equidigital number, since it uses as much as digits as its factorization.

1097957537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2083725, while the sum is 53.

The square root of 1097957537 is about 33135.4423088028. The cubic root of 1097957537 is about 1031.6408123553.

The spelling of 1097957537 in words is "one billion, ninety-seven million, nine hundred fifty-seven thousand, five hundred thirty-seven".