404250761 has 2 divisors, whose sum is σ = 404250762. Its totient is φ = 404250760.

The previous prime is 404250739. The next prime is 404250773. The reversal of 404250761 is 167052404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324684361 + 79566400 = 18019^2 + 8920^2 .

It is a cyclic number.

It is not a de Polignac number, because 404250761 - 2²⁶ = 337141897 is a prime.

It is not a weakly prime, because it can be changed into another prime (404250661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202125380 + 202125381.

It is an arithmetic number, because the mean of its divisors is an integer number (202125381).

Almost surely, 2^404250761 is an apocalyptic number.

It is an amenable number.

404250761 is a deficient number, since it is larger than the sum of its proper divisors (1).

404250761 is an equidigital number, since it uses as much as digits as its factorization.

404250761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 404250761 is about 20105.9881876022. The cubic root of 404250761 is about 739.4070981288.

The spelling of 404250761 in words is "four hundred four million, two hundred fifty thousand, seven hundred sixty-one".