375172397 has 2 divisors, whose sum is σ = 375172398. Its totient is φ = 375172396.

The previous prime is 375172379. The next prime is 375172433. The reversal of 375172397 is 793271573.

Together with previous prime (375172379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195049156 + 180123241 = 13966^2 + 13421^2 .

It is a cyclic number.

It is not a de Polignac number, because 375172397 - 2¹² = 375168301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375172697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187586198 + 187586199.

It is an arithmetic number, because the mean of its divisors is an integer number (187586199).

Almost surely, 2^375172397 is an apocalyptic number.

It is an amenable number.

375172397 is a deficient number, since it is larger than the sum of its proper divisors (1).

375172397 is an equidigital number, since it uses as much as digits as its factorization.

375172397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 44.

The square root of 375172397 is about 19369.3674909637. The cubic root of 375172397 is about 721.2352746679.

The spelling of 375172397 in words is "three hundred seventy-five million, one hundred seventy-two thousand, three hundred ninety-seven".