290581425 has 120 divisors (see below), whose sum is σ = 596318976. Its totient is φ = 139138560.

The previous prime is 290581399. The next prime is 290581427. The reversal of 290581425 is 524185092.

It is not a de Polignac number, because 290581425 - 2⁷ = 290581297 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 290581425.

It is not an unprimeable number, because it can be changed into a prime (290581427) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 791592 + ... + 791958.

Almost surely, 2^290581425 is an apocalyptic number.

290581425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290581425 is an abundant number, since it is smaller than the sum of its proper divisors (305737551).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290581425 is a wasteful number, since it uses less digits than its factorization.

290581425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 290581425 is about 17046.4490437158. The cubic root of 290581425 is about 662.3526573954.

The spelling of 290581425 in words is "two hundred ninety million, five hundred eighty-one thousand, four hundred twenty-five".