377252921 has 2 divisors, whose sum is σ = 377252922. Its totient is φ = 377252920.

The previous prime is 377252861. The next prime is 377252957. The reversal of 377252921 is 129252773.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376554025 + 698896 = 19405^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 377252921 - 2¹⁴ = 377236537 is a prime.

It is not a weakly prime, because it can be changed into another prime (377252021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188626460 + 188626461.

It is an arithmetic number, because the mean of its divisors is an integer number (188626461).

Almost surely, 2^377252921 is an apocalyptic number.

It is an amenable number.

377252921 is a deficient number, since it is larger than the sum of its proper divisors (1).

377252921 is an equidigital number, since it uses as much as digits as its factorization.

377252921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 377252921 is about 19422.9997940586. Note that the first 3 decimals coincide. The cubic root of 377252921 is about 722.5660247050.

The spelling of 377252921 in words is "three hundred seventy-seven million, two hundred fifty-two thousand, nine hundred twenty-one".