397625433 has 4 divisors (see below), whose sum is σ = 530167248. Its totient is φ = 265083620.

The previous prime is 397625411. The next prime is 397625447. The reversal of 397625433 is 334526793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 397625433 - 2⁵ = 397625401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397625533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66270903 + ... + 66270908.

It is an arithmetic number, because the mean of its divisors is an integer number (132541812).

Almost surely, 2^397625433 is an apocalyptic number.

It is an amenable number.

397625433 is a deficient number, since it is larger than the sum of its proper divisors (132541815).

397625433 is a wasteful number, since it uses less digits than its factorization.

397625433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132541814.

The product of its digits is 408240, while the sum is 42.

The square root of 397625433 is about 19940.5474598869. The cubic root of 397625433 is about 735.3454084791.

The spelling of 397625433 in words is "three hundred ninety-seven million, six hundred twenty-five thousand, four hundred thirty-three".