375642497 has 2 divisors, whose sum is σ = 375642498. Its totient is φ = 375642496.

The previous prime is 375642493. The next prime is 375642499. The reversal of 375642497 is 794246573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246615616 + 129026881 = 15704^2 + 11359^2 .

It is a cyclic number.

It is not a de Polignac number, because 375642497 - 2² = 375642493 is a prime.

It is a super-2 number, since 2×375642497² = 282214571104790018, which contains 22 as substring.

Together with 375642499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (375642493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187821248 + 187821249.

It is an arithmetic number, because the mean of its divisors is an integer number (187821249).

Almost surely, 2^375642497 is an apocalyptic number.

It is an amenable number.

375642497 is a deficient number, since it is larger than the sum of its proper divisors (1).

375642497 is an equidigital number, since it uses as much as digits as its factorization.

375642497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The square root of 375642497 is about 19381.4988326497. The cubic root of 375642497 is about 721.5363906261.

The spelling of 375642497 in words is "three hundred seventy-five million, six hundred forty-two thousand, four hundred ninety-seven".