97562257 has 4 divisors (see below), whose sum is σ = 105067060. Its totient is φ = 90057456.

The previous prime is 97562249. The next prime is 97562287. The reversal of 97562257 is 75226579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38825361 + 58736896 = 6231^2 + 7664^2 .

It is a cyclic number.

It is not a de Polignac number, because 97562257 - 2³ = 97562249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97562287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3752382 + ... + 3752407.

It is an arithmetic number, because the mean of its divisors is an integer number (26266765).

Almost surely, 2^97562257 is an apocalyptic number.

It is an amenable number.

97562257 is a deficient number, since it is larger than the sum of its proper divisors (7504803).

97562257 is a wasteful number, since it uses less digits than its factorization.

97562257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504802.

The product of its digits is 264600, while the sum is 43.

The square root of 97562257 is about 9877.3608317202. The cubic root of 97562257 is about 460.3561466840.

The spelling of 97562257 in words is "ninety-seven million, five hundred sixty-two thousand, two hundred fifty-seven".