397052267 has 4 divisors (see below), whose sum is σ = 397224360. Its totient is φ = 396880176.

The previous prime is 397052263. The next prime is 397052269. The reversal of 397052267 is 762250793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397052267 - 2² = 397052263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397052261) 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, 82538 + ... + 87215.

It is an arithmetic number, because the mean of its divisors is an integer number (99306090).

Almost surely, 2^397052267 is an apocalyptic number.

397052267 is a deficient number, since it is larger than the sum of its proper divisors (172093).

397052267 is a wasteful number, since it uses less digits than its factorization.

397052267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172092.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 397052267 is about 19926.1704047717. The cubic root of 397052267 is about 734.9919119230.

The spelling of 397052267 in words is "three hundred ninety-seven million, fifty-two thousand, two hundred sixty-seven".