397245703 has 2 divisors, whose sum is σ = 397245704. Its totient is φ = 397245702.

The previous prime is 397245701. The next prime is 397245721. The reversal of 397245703 is 307542793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397245703 - 2¹ = 397245701 is a prime.

Together with 397245701, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397245701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198622851 + 198622852.

It is an arithmetic number, because the mean of its divisors is an integer number (198622852).

Almost surely, 2^397245703 is an apocalyptic number.

397245703 is a deficient number, since it is larger than the sum of its proper divisors (1).

397245703 is an equidigital number, since it uses as much as digits as its factorization.

397245703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 397245703 is about 19931.0236315148. The cubic root of 397245703 is about 735.1112503791. Note that the first 3 decimals are identical.

The spelling of 397245703 in words is "three hundred ninety-seven million, two hundred forty-five thousand, seven hundred three".