25036890 has 32 divisors (see below), whose sum is σ = 60690816. Its totient is φ = 6609600.

The previous prime is 25036873. The next prime is 25036897. The reversal of 25036890 is 9863052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25036897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (1896588).

Almost surely, 2^25036890 is an apocalyptic number.

25036890 is an abundant number, since it is smaller than the sum of its proper divisors (35653926).

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

25036890 is a wasteful number, since it uses less digits than its factorization.

25036890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25036890 is about 5003.6876401310. The cubic root of 25036890 is about 292.5455258235.

The spelling of 25036890 in words is "twenty-five million, thirty-six thousand, eight hundred ninety".