397052303 has 4 divisors (see below), whose sum is σ = 397111920. Its totient is φ = 396992688.

The previous prime is 397052269. The next prime is 397052317. The reversal of 397052303 is 303250793.

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 397052303 - 2¹⁶ = 396986767 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 397052303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397052363) 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, 18350 + ... + 33627.

It is an arithmetic number, because the mean of its divisors is an integer number (99277980).

Almost surely, 2^397052303 is an apocalyptic number.

397052303 is a deficient number, since it is larger than the sum of its proper divisors (59617).

397052303 is an equidigital number, since it uses as much as digits as its factorization.

397052303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59616.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 397052303 is about 19926.1713081063. The cubic root of 397052303 is about 734.9919341364.

The spelling of 397052303 in words is "three hundred ninety-seven million, fifty-two thousand, three hundred three".