397725095 has 4 divisors (see below), whose sum is σ = 477270120. Its totient is φ = 318180072.

The previous prime is 397725079. The next prime is 397725121. The reversal of 397725095 is 590527793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 590527793 = 17 ⋅34736929.

It is a cyclic number.

It is not a de Polignac number, because 397725095 - 2⁴ = 397725079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39772505 + ... + 39772514.

It is an arithmetic number, because the mean of its divisors is an integer number (119317530).

Almost surely, 2^397725095 is an apocalyptic number.

397725095 is a deficient number, since it is larger than the sum of its proper divisors (79545025).

397725095 is an equidigital number, since it uses as much as digits as its factorization.

397725095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79545024.

The product of its (nonzero) digits is 595350, while the sum is 47.

The square root of 397725095 is about 19943.0462818497. The cubic root of 397725095 is about 735.4068397206.

The spelling of 397725095 in words is "three hundred ninety-seven million, seven hundred twenty-five thousand, ninety-five".