372561929 has 2 divisors, whose sum is σ = 372561930. Its totient is φ = 372561928.

The previous prime is 372561923. The next prime is 372561941. The reversal of 372561929 is 929165273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317801929 + 54760000 = 17827^2 + 7400^2 .

It is a cyclic number.

It is not a de Polignac number, because 372561929 - 2⁴ = 372561913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 372561929.

It is not a weakly prime, because it can be changed into another prime (372561923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186280964 + 186280965.

It is an arithmetic number, because the mean of its divisors is an integer number (186280965).

Almost surely, 2^372561929 is an apocalyptic number.

It is an amenable number.

372561929 is a deficient number, since it is larger than the sum of its proper divisors (1).

372561929 is an equidigital number, since it uses as much as digits as its factorization.

372561929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 372561929 is about 19301.8633556452. The cubic root of 372561929 is about 719.5585829553.

The spelling of 372561929 in words is "three hundred seventy-two million, five hundred sixty-one thousand, nine hundred twenty-nine".