374402549 has 2 divisors, whose sum is σ = 374402550. Its totient is φ = 374402548.

The previous prime is 374402521. The next prime is 374402597. The reversal of 374402549 is 945204473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315772900 + 58629649 = 17770^2 + 7657^2 .

It is a cyclic number.

It is not a de Polignac number, because 374402549 - 2²⁰ = 373353973 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 (374402599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187201274 + 187201275.

It is an arithmetic number, because the mean of its divisors is an integer number (187201275).

Almost surely, 2^374402549 is an apocalyptic number.

It is an amenable number.

374402549 is a deficient number, since it is larger than the sum of its proper divisors (1).

374402549 is an equidigital number, since it uses as much as digits as its factorization.

374402549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 374402549 is about 19349.4844634166. The cubic root of 374402549 is about 720.7416156158.

The spelling of 374402549 in words is "three hundred seventy-four million, four hundred two thousand, five hundred forty-nine".