697632425 has 24 divisors (see below), whose sum is σ = 1012768512. Its totient is φ = 466704000.

The previous prime is 697632409. The next prime is 697632427. The reversal of 697632425 is 524236796.

697632425 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 697632425 - 2⁴ = 697632409 is a prime.

It is a super-2 number, since 2×697632425² = 973382000822761250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (697632427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41441 + ... + 55790.

It is an arithmetic number, because the mean of its divisors is an integer number (42198688).

Almost surely, 2^697632425 is an apocalyptic number.

It is an amenable number.

697632425 is a deficient number, since it is larger than the sum of its proper divisors (315136087).

697632425 is a wasteful number, since it uses less digits than its factorization.

697632425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97289 (or 97284 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 697632425 is about 26412.7322517001. The cubic root of 697632425 is about 886.9018332605.

The spelling of 697632425 in words is "six hundred ninety-seven million, six hundred thirty-two thousand, four hundred twenty-five".