290252515 has 16 divisors (see below), whose sum is σ = 398946240. Its totient is φ = 198587520.

The previous prime is 290252483. The next prime is 290252533. The reversal of 290252515 is 515252092.

It is not a de Polignac number, because 290252515 - 2⁵ = 290252483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7141 + ... + 25129.

It is an arithmetic number, because the mean of its divisors is an integer number (24934140).

Almost surely, 2^290252515 is an apocalyptic number.

290252515 is a deficient number, since it is larger than the sum of its proper divisors (108693725).

290252515 is a wasteful number, since it uses less digits than its factorization.

290252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 290252515 is about 17036.7988483752. The cubic root of 290252515 is about 662.1026567161.

The spelling of 290252515 in words is "two hundred ninety million, two hundred fifty-two thousand, five hundred fifteen".