97865253 has 40 divisors (see below), whose sum is σ = 154097856. Its totient is φ = 61776000.

The previous prime is 97865249. The next prime is 97865267. The reversal of 97865253 is 35256879.

It is a happy number.

It is not a de Polignac number, because 97865253 - 2² = 97865249 is a prime.

Its product of digits (453600) is a multiple of the sum of its prime factors (567).

It is a junction number, because it is equal to n+sod(n) for n = 97865199 and 97865208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97865203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 243853 + ... + 244253.

Almost surely, 2^97865253 is an apocalyptic number.

It is an amenable number.

97865253 is a deficient number, since it is larger than the sum of its proper divisors (56232603).

97865253 is a wasteful number, since it uses less digits than its factorization.

97865253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 558 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 97865253 is about 9892.6868443310. The cubic root of 97865253 is about 460.8322253261.

The spelling of 97865253 in words is "ninety-seven million, eight hundred sixty-five thousand, two hundred fifty-three".