897912501 has 4 divisors (see below), whose sum is σ = 1197216672. Its totient is φ = 598608332.

The previous prime is 897912481. The next prime is 897912527. The reversal of 897912501 is 105219798.

897912501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 897912501 - 2¹⁵ = 897879733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897912401) 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, 149652081 + ... + 149652086.

It is an arithmetic number, because the mean of its divisors is an integer number (299304168).

Almost surely, 2^897912501 is an apocalyptic number.

It is an amenable number.

897912501 is a deficient number, since it is larger than the sum of its proper divisors (299304171).

897912501 is a wasteful number, since it uses less digits than its factorization.

897912501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299304170.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 897912501 is about 29965.1881522543. The cubic root of 897912501 is about 964.7423407601.

The spelling of 897912501 in words is "eight hundred ninety-seven million, nine hundred twelve thousand, five hundred one".