375320947 has 2 divisors, whose sum is σ = 375320948. Its totient is φ = 375320946.

The previous prime is 375320909. The next prime is 375320963. The reversal of 375320947 is 749023573.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375320947 is a prime.

It is not a weakly prime, because it can be changed into another prime (375320047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187660473 + 187660474.

It is an arithmetic number, because the mean of its divisors is an integer number (187660474).

Almost surely, 2^375320947 is an apocalyptic number.

375320947 is a deficient number, since it is larger than the sum of its proper divisors (1).

375320947 is an equidigital number, since it uses as much as digits as its factorization.

375320947 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 375320947 is about 19373.2017746164. The cubic root of 375320947 is about 721.3304534562.

The spelling of 375320947 in words is "three hundred seventy-five million, three hundred twenty thousand, nine hundred forty-seven".