397253001 has 8 divisors (see below), whose sum is σ = 536375680. Its totient is φ = 261482832.

The previous prime is 397252993. The next prime is 397253011. The reversal of 397253001 is 100352793.

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

It is not a de Polignac number, because 397253001 - 2³ = 397252993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397253001.

It is not an unprimeable number, because it can be changed into a prime (397253011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837850 + ... + 838323.

It is an arithmetic number, because the mean of its divisors is an integer number (67046960).

Almost surely, 2^397253001 is an apocalyptic number.

It is an amenable number.

397253001 is a deficient number, since it is larger than the sum of its proper divisors (139122679).

397253001 is a wasteful number, since it uses less digits than its factorization.

397253001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676255.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 397253001 is about 19931.2067120885. The cubic root of 397253001 is about 735.1157520506.

The spelling of 397253001 in words is "three hundred ninety-seven million, two hundred fifty-three thousand, one".