397525703 has 2 divisors, whose sum is σ = 397525704. Its totient is φ = 397525702.

The previous prime is 397525697. The next prime is 397525769. The reversal of 397525703 is 307525793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397525703 - 2¹⁰ = 397524679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397521703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198762851 + 198762852.

It is an arithmetic number, because the mean of its divisors is an integer number (198762852).

Almost surely, 2^397525703 is an apocalyptic number.

397525703 is a deficient number, since it is larger than the sum of its proper divisors (1).

397525703 is an equidigital number, since it uses as much as digits as its factorization.

397525703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 41.

The square root of 397525703 is about 19938.0466194660. The cubic root of 397525703 is about 735.2839250464.

The spelling of 397525703 in words is "three hundred ninety-seven million, five hundred twenty-five thousand, seven hundred three".