696577401 has 20 divisors (see below), whose sum is σ = 1120611492. Its totient is φ = 428662368.

The previous prime is 696577381. The next prime is 696577439. The reversal of 696577401 is 104775696.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 392040000 + 304537401 = 19800^2 + 17451^2 .

It is not a de Polignac number, because 696577401 - 2⁵ = 696577369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696577451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 329706 + ... + 331811.

Almost surely, 2^696577401 is an apocalyptic number.

It is an amenable number.

696577401 is a deficient number, since it is larger than the sum of its proper divisors (424034091).

696577401 is a wasteful number, since it uses less digits than its factorization.

696577401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661542 (or 661533 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 696577401 is about 26392.7528120884. The cubic root of 696577401 is about 886.4545228202.

The spelling of 696577401 in words is "six hundred ninety-six million, five hundred seventy-seven thousand, four hundred one".