290025945 has 24 divisors (see below), whose sum is σ = 548413632. Its totient is φ = 140618400.

The previous prime is 290025941. The next prime is 290025949. The reversal of 290025945 is 549520092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290025941) and next prime (290025949).

It is not a de Polignac number, because 290025945 - 2² = 290025941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290025941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292461 + ... + 293450.

It is an arithmetic number, because the mean of its divisors is an integer number (22850568).

Almost surely, 2^290025945 is an apocalyptic number.

It is an amenable number.

290025945 is a deficient number, since it is larger than the sum of its proper divisors (258387687).

290025945 is a wasteful number, since it uses less digits than its factorization.

290025945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585933 (or 585930 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 290025945 is about 17030.1481203189. The cubic root of 290025945 is about 661.9303336052.

The spelling of 290025945 in words is "two hundred ninety million, twenty-five thousand, nine hundred forty-five".