290516425 has 12 divisors (see below), whose sum is σ = 360508176. Its totient is φ = 232240400.

The previous prime is 290516423. The next prime is 290516431. The reversal of 290516425 is 524615092.

It is a happy number.

It is not a de Polignac number, because 290516425 - 2¹ = 290516423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290516423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38190 + ... + 45160.

It is an arithmetic number, because the mean of its divisors is an integer number (30042348).

Almost surely, 2^290516425 is an apocalyptic number.

290516425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290516425 is a deficient number, since it is larger than the sum of its proper divisors (69991751).

290516425 is a wasteful number, since it uses less digits than its factorization.

290516425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 290516425 is about 17044.5423816540. The cubic root of 290516425 is about 662.3032666113.

The spelling of 290516425 in words is "two hundred ninety million, five hundred sixteen thousand, four hundred twenty-five".