400125597 has 8 divisors (see below), whose sum is σ = 533615040. Its totient is φ = 266693280.

The previous prime is 400125589. The next prime is 400125637. The reversal of 400125597 is 795521004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400125597 - 2³ = 400125589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400125547) 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 7 ways as a sum of consecutive naturals, for example, 6304 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (66701880).

Almost surely, 2^400125597 is an apocalyptic number.

It is an amenable number.

400125597 is a deficient number, since it is larger than the sum of its proper divisors (133489443).

400125597 is a wasteful number, since it uses less digits than its factorization.

400125597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 400125597 is about 20003.1396785605. The cubic root of 400125597 is about 736.8834088754.

The spelling of 400125597 in words is "four hundred million, one hundred twenty-five thousand, five hundred ninety-seven".