97257442 has 16 divisors (see below), whose sum is σ = 154859040. Its totient is φ = 45652288.

The previous prime is 97257437. The next prime is 97257473. The reversal of 97257442 is 24475279.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 97257395 and 97257404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833 + ... + 17659.

It is an arithmetic number, because the mean of its divisors is an integer number (9678690).

Almost surely, 2^97257442 is an apocalyptic number.

97257442 is a deficient number, since it is larger than the sum of its proper divisors (57601598).

97257442 is a wasteful number, since it uses less digits than its factorization.

97257442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265.

The product of its digits is 141120, while the sum is 40.

The square root of 97257442 is about 9861.9187788178. The cubic root of 97257442 is about 459.8762143294.

The spelling of 97257442 in words is "ninety-seven million, two hundred fifty-seven thousand, four hundred forty-two".