397562097 has 4 divisors (see below), whose sum is σ = 530082800. Its totient is φ = 265041396.

The previous prime is 397562093. The next prime is 397562129. The reversal of 397562097 is 790265793.

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 not a de Polignac number, because 397562097 - 2² = 397562093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397562093) 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, 66260347 + ... + 66260352.

It is an arithmetic number, because the mean of its divisors is an integer number (132520700).

Almost surely, 2^397562097 is an apocalyptic number.

It is an amenable number.

397562097 is a deficient number, since it is larger than the sum of its proper divisors (132520703).

397562097 is a wasteful number, since it uses less digits than its factorization.

397562097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132520702.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 397562097 is about 19938.9592757496. The cubic root of 397562097 is about 735.3063630978.

The spelling of 397562097 in words is "three hundred ninety-seven million, five hundred sixty-two thousand, ninety-seven".