97240253 has 8 divisors (see below), whose sum is σ = 106361856. Its totient is φ = 88165600.

The previous prime is 97240223. The next prime is 97240261. The reversal of 97240253 is 35204279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97240253 - 2²⁰ = 96191677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97240223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7328 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (13295232).

Almost surely, 2^97240253 is an apocalyptic number.

It is an amenable number.

97240253 is a deficient number, since it is larger than the sum of its proper divisors (9121603).

97240253 is a wasteful number, since it uses less digits than its factorization.

97240253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23475.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 97240253 is about 9861.0472567573. The cubic root of 97240253 is about 459.8491203343.

The spelling of 97240253 in words is "ninety-seven million, two hundred forty thousand, two hundred fifty-three".