371943961 has 2 divisors, whose sum is σ = 371943962. Its totient is φ = 371943960.

The previous prime is 371943931. The next prime is 371943973. The reversal of 371943961 is 169349173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363855625 + 8088336 = 19075^2 + 2844^2 .

It is a cyclic number.

It is not a de Polignac number, because 371943961 - 2²¹ = 369846809 is a prime.

It is not a weakly prime, because it can be changed into another prime (371943931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185971980 + 185971981.

It is an arithmetic number, because the mean of its divisors is an integer number (185971981).

Almost surely, 2^371943961 is an apocalyptic number.

It is an amenable number.

371943961 is a deficient number, since it is larger than the sum of its proper divisors (1).

371943961 is an equidigital number, since it uses as much as digits as its factorization.

371943961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 371943961 is about 19285.8487238700. The cubic root of 371943961 is about 719.1605191480.

The spelling of 371943961 in words is "three hundred seventy-one million, nine hundred forty-three thousand, nine hundred sixty-one".