290057625 has 128 divisors (see below), whose sum is σ = 631088640. Its totient is φ = 129600000.

The previous prime is 290057597. The next prime is 290057639. The reversal of 290057625 is 526750092.

290057625 is a `hidden beast` number, since 29 + 0 + 0 + 5 + 7 + 625 = 666.

It is not a de Polignac number, because 290057625 - 2¹³ = 290049433 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 290057625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 482325 + ... + 482925.

It is an arithmetic number, because the mean of its divisors is an integer number (4930380).

Almost surely, 2^290057625 is an apocalyptic number.

290057625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290057625 is an abundant number, since it is smaller than the sum of its proper divisors (341031015).

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

290057625 is a wasteful number, since it uses less digits than its factorization.

290057625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 290057625 is about 17031.0782101428. The cubic root of 290057625 is about 661.9544339657.

The spelling of 290057625 in words is "two hundred ninety million, fifty-seven thousand, six hundred twenty-five".