25154955 has 80 divisors (see below), whose sum is σ = 54362880. Its totient is φ = 10870848.

The previous prime is 25154953. The next prime is 25154971. The reversal of 25154955 is 55945152.

It is not a de Polignac number, because 25154955 - 2¹ = 25154953 is a prime.

It is a super-2 number, since 2×25154955² = 1265543522104050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25154953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 53632 + ... + 54098.

It is an arithmetic number, because the mean of its divisors is an integer number (679536).

Almost surely, 2^25154955 is an apocalyptic number.

25154955 is an abundant number, since it is smaller than the sum of its proper divisors (29207925).

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

25154955 is a wasteful number, since it uses less digits than its factorization.

25154955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 501 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 25154955 is about 5015.4715630736. The cubic root of 25154955 is about 293.0046515043.

The spelling of 25154955 in words is "twenty-five million, one hundred fifty-four thousand, nine hundred fifty-five".