290993525 has 6 divisors (see below), whose sum is σ = 360832002. Its totient is φ = 232794800.

The previous prime is 290993509. The next prime is 290993537. The reversal of 290993525 is 525399092.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7879249 + 283114276 = 2807^2 + 16826^2 .

It is not a de Polignac number, because 290993525 - 2⁴ = 290993509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5819846 + ... + 5819895.

It is an arithmetic number, because the mean of its divisors is an integer number (60138667).

Almost surely, 2^290993525 is an apocalyptic number.

290993525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290993525 is a deficient number, since it is larger than the sum of its proper divisors (69838477).

290993525 is a wasteful number, since it uses less digits than its factorization.

290993525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639751 (or 11639746 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 290993525 is about 17058.5323225652. The cubic root of 290993525 is about 662.6656237149.

The spelling of 290993525 in words is "two hundred ninety million, nine hundred ninety-three thousand, five hundred twenty-five".