25245454 has 16 divisors (see below), whose sum is σ = 40874400. Its totient is φ = 11625120.

The previous prime is 25245431. The next prime is 25245491. The reversal of 25245454 is 45454252.

It is a super-2 number, since 2×25245454² = 1274665895332232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14764 + ... + 16384.

It is an arithmetic number, because the mean of its divisors is an integer number (2554650).

Almost surely, 2^25245454 is an apocalyptic number.

25245454 is a deficient number, since it is larger than the sum of its proper divisors (15628946).

25245454 is a wasteful number, since it uses less digits than its factorization.

25245454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its digits is 32000, while the sum is 31.

The square root of 25245454 is about 5024.4854462920. The cubic root of 25245454 is about 293.3556080996.

The spelling of 25245454 in words is "twenty-five million, two hundred forty-five thousand, four hundred fifty-four".