397279005225 has 12 divisors (see below), whose sum is σ = 656834622096. Its totient is φ = 211882136080.

The previous prime is 397279005191. The next prime is 397279005287. The reversal of 397279005225 is 522500972793.

It is a happy number.

It is not a de Polignac number, because 397279005225 - 2¹⁰ = 397279004201 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 2648526627 + ... + 2648526776.

It is an arithmetic number, because the mean of its divisors is an integer number (54736218508).

Almost surely, 2^397279005225 is an apocalyptic number.

It is an amenable number.

397279005225 is a deficient number, since it is larger than the sum of its proper divisors (259555616871).

397279005225 is a wasteful number, since it uses less digits than its factorization.

397279005225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297053416 (or 5297053411 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 397279005225 in words is "three hundred ninety-seven billion, two hundred seventy-nine million, five thousand, two hundred twenty-five".