25316390 has 16 divisors (see below), whose sum is σ = 49712400. Its totient is φ = 9205920.

The previous prime is 25316387. The next prime is 25316437. The reversal of 25316390 is 9361352.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114965 + ... + 115184.

It is an arithmetic number, because the mean of its divisors is an integer number (3107025).

Almost surely, 2^25316390 is an apocalyptic number.

25316390 is a deficient number, since it is larger than the sum of its proper divisors (24396010).

25316390 is a wasteful number, since it uses less digits than its factorization.

25316390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230167.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 25316390 is about 5031.5395258310. The cubic root of 25316390 is about 293.6301131421.

The spelling of 25316390 in words is "twenty-five million, three hundred sixteen thousand, three hundred ninety".