697967425 has 12 divisors (see below), whose sum is σ = 866837376. Its totient is φ = 557498000.

The previous prime is 697967401. The next prime is 697967471. The reversal of 697967425 is 524769796.

It is not a de Polignac number, because 697967425 - 2⁵ = 697967393 is a prime.

It is a super-2 number, since 2×697967425² = 974317052722261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5401 + ... + 37750.

It is an arithmetic number, because the mean of its divisors is an integer number (72236448).

Almost surely, 2^697967425 is an apocalyptic number.

It is an amenable number.

697967425 is a deficient number, since it is larger than the sum of its proper divisors (168869951).

697967425 is a wasteful number, since it uses less digits than its factorization.

697967425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43808 (or 43803 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The square root of 697967425 is about 26419.0731290861. The cubic root of 697967425 is about 887.0437726539.

The spelling of 697967425 in words is "six hundred ninety-seven million, nine hundred sixty-seven thousand, four hundred twenty-five".