97526641 has 2 divisors, whose sum is σ = 97526642. Its totient is φ = 97526640.

The previous prime is 97526633. The next prime is 97526657. The reversal of 97526641 is 14662579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97436641 + 90000 = 9871^2 + 300^2 .

It is an emirp because it is prime and its reverse (14662579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97526641 - 2³ = 97526633 is a prime.

It is a super-2 number, since 2×97526641² = 19022891409485762, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97526594 and 97526603.

It is not a weakly prime, because it can be changed into another prime (97526041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48763320 + 48763321.

It is an arithmetic number, because the mean of its divisors is an integer number (48763321).

Almost surely, 2^97526641 is an apocalyptic number.

It is an amenable number.

97526641 is a deficient number, since it is larger than the sum of its proper divisors (1).

97526641 is an equidigital number, since it uses as much as digits as its factorization.

97526641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 97526641 is about 9875.5577564004. The cubic root of 97526641 is about 460.3001207828.

The spelling of 97526641 in words is "ninety-seven million, five hundred twenty-six thousand, six hundred forty-one".