97054433261 has 2 divisors, whose sum is σ = 97054433262. Its totient is φ = 97054433260.

The previous prime is 97054433237. The next prime is 97054433317. The reversal of 97054433261 is 16233445079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76165512361 + 20888920900 = 275981^2 + 144530^2 .

It is a cyclic number.

It is not a de Polignac number, because 97054433261 - 2¹⁸ = 97054171117 is a prime.

It is a super-2 number, since 2×97054433261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97054433761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48527216630 + 48527216631.

It is an arithmetic number, because the mean of its divisors is an integer number (48527216631).

Almost surely, 2^97054433261 is an apocalyptic number.

It is an amenable number.

97054433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

97054433261 is an equidigital number, since it uses as much as digits as its factorization.

97054433261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 97054433261 in words is "ninety-seven billion, fifty-four million, four hundred thirty-three thousand, two hundred sixty-one".