25100485 has 4 divisors (see below), whose sum is σ = 30120588. Its totient is φ = 20080384.

The previous prime is 25100479. The next prime is 25100489. The reversal of 25100485 is 58400152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 15570916 = 3087^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 25100485 - 2⁷ = 25100357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25100489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510044 + ... + 2510053.

It is an arithmetic number, because the mean of its divisors is an integer number (7530147).

Almost surely, 2^25100485 is an apocalyptic number.

It is an amenable number.

25100485 is a deficient number, since it is larger than the sum of its proper divisors (5020103).

25100485 is an equidigital number, since it uses as much as digits as its factorization.

25100485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020102.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 25100485 is about 5010.0384230064. The cubic root of 25100485 is about 292.7930100069.

The spelling of 25100485 in words is "twenty-five million, one hundred thousand, four hundred eighty-five".