97926251 has 2 divisors, whose sum is σ = 97926252. Its totient is φ = 97926250.

The previous prime is 97926233. The next prime is 97926263. The reversal of 97926251 is 15262979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97926251 - 2²² = 93731947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97926199 and 97926208.

It is not a weakly prime, because it can be changed into another prime (97956251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48963125 + 48963126.

It is an arithmetic number, because the mean of its divisors is an integer number (48963126).

Almost surely, 2^97926251 is an apocalyptic number.

97926251 is a deficient number, since it is larger than the sum of its proper divisors (1).

97926251 is an equidigital number, since it uses as much as digits as its factorization.

97926251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 97926251 is about 9895.7693485651. The cubic root of 97926251 is about 460.9279487999.

The spelling of 97926251 in words is "ninety-seven million, nine hundred twenty-six thousand, two hundred fifty-one".