97256993 has 4 divisors (see below), whose sum is σ = 98428848. Its totient is φ = 96085140.

The previous prime is 97256989. The next prime is 97257001. The reversal of 97256993 is 39965279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97256993 - 2² = 97256989 is a prime.

It is a super-3 number, since 3×97256993³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97256933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585803 + ... + 585968.

It is an arithmetic number, because the mean of its divisors is an integer number (24607212).

Almost surely, 2^97256993 is an apocalyptic number.

It is an amenable number.

97256993 is a deficient number, since it is larger than the sum of its proper divisors (1171855).

97256993 is a wasteful number, since it uses less digits than its factorization.

97256993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171854.

The product of its digits is 918540, while the sum is 50.

The square root of 97256993 is about 9861.8960144589. The cubic root of 97256993 is about 459.8755066381.

The spelling of 97256993 in words is "ninety-seven million, two hundred fifty-six thousand, nine hundred ninety-three".