25738590 has 16 divisors (see below), whose sum is σ = 61772688. Its totient is φ = 6863616.

The previous prime is 25738579. The next prime is 25738591. The reversal of 25738590 is 9583752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25738591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428947 + ... + 429006.

It is an arithmetic number, because the mean of its divisors is an integer number (3860793).

Almost surely, 2^25738590 is an apocalyptic number.

25738590 is an abundant number, since it is smaller than the sum of its proper divisors (36034098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25738590 is a wasteful number, since it uses less digits than its factorization.

25738590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857963.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 25738590 is about 5073.3213972702. The cubic root of 25738590 is about 295.2534066973.

The spelling of 25738590 in words is "twenty-five million, seven hundred thirty-eight thousand, five hundred ninety".