940057549 has 2 divisors, whose sum is σ = 940057550. Its totient is φ = 940057548.

The previous prime is 940057501. The next prime is 940057567. The reversal of 940057549 is 945750049.

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., 931165225 + 8892324 = 30515^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 940057549 - 2⁹ = 940057037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940057589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470028774 + 470028775.

It is an arithmetic number, because the mean of its divisors is an integer number (470028775).

Almost surely, 2^940057549 is an apocalyptic number.

It is an amenable number.

940057549 is a deficient number, since it is larger than the sum of its proper divisors (1).

940057549 is an equidigital number, since it uses as much as digits as its factorization.

940057549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 940057549 is about 30660.3579398545. The cubic root of 940057549 is about 979.6060991590.

The spelling of 940057549 in words is "nine hundred forty million, fifty-seven thousand, five hundred forty-nine".