25242906 has 32 divisors (see below), whose sum is σ = 57234240. Its totient is φ = 7357824.

The previous prime is 25242883. The next prime is 25242907. The reversal of 25242906 is 60924252.

It is not an unprimeable number, because it can be changed into a prime (25242907) 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, 7035 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (1788570).

Almost surely, 2^25242906 is an apocalyptic number.

25242906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25242906 is an abundant number, since it is smaller than the sum of its proper divisors (31991334).

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

25242906 is a wasteful number, since it uses less digits than its factorization.

25242906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25242906 is about 5024.2318815915. The cubic root of 25242906 is about 293.3457383987.

The spelling of 25242906 in words is "twenty-five million, two hundred forty-two thousand, nine hundred six".