897085425 has 24 divisors (see below), whose sum is σ = 1488279744. Its totient is φ = 476800960.

The previous prime is 897085421. The next prime is 897085439. The reversal of 897085425 is 524580798.

It is not a de Polignac number, because 897085425 - 2² = 897085421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897085421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1564 + ... + 42386.

It is an arithmetic number, because the mean of its divisors is an integer number (62011656).

Almost surely, 2^897085425 is an apocalyptic number.

It is an amenable number.

897085425 is a deficient number, since it is larger than the sum of its proper divisors (591194319).

897085425 is a wasteful number, since it uses less digits than its factorization.

897085425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41129 (or 41124 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 897085425 is about 29951.3843586569. The cubic root of 897085425 is about 964.4460385592.

It can be divided in two parts, 8970 and 85425, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 897085425 in words is "eight hundred ninety-seven million, eighty-five thousand, four hundred twenty-five".