897481401 has 4 divisors (see below), whose sum is σ = 1196641872. Its totient is φ = 598320932.

The previous prime is 897481363. The next prime is 897481411. The reversal of 897481401 is 104184798.

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 897481401 - 2⁹ = 897480889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897481411) 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, 149580231 + ... + 149580236.

It is an arithmetic number, because the mean of its divisors is an integer number (299160468).

Almost surely, 2^897481401 is an apocalyptic number.

It is an amenable number.

897481401 is a deficient number, since it is larger than the sum of its proper divisors (299160471).

897481401 is a wasteful number, since it uses less digits than its factorization.

897481401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299160470.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 897481401 is about 29957.9939415175. The cubic root of 897481401 is about 964.5879207395.

The spelling of 897481401 in words is "eight hundred ninety-seven million, four hundred eighty-one thousand, four hundred one".