25501395 has 16 divisors (see below), whose sum is σ = 40896000. Its totient is φ = 13569504.

The previous prime is 25501391. The next prime is 25501423. The reversal of 25501395 is 59310552.

It is not a de Polignac number, because 25501395 - 2² = 25501391 is a prime.

It is a super-2 number, since 2×25501395² = 1300642293892050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25501391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5782 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (2556000).

Almost surely, 2^25501395 is an apocalyptic number.

25501395 is a deficient number, since it is larger than the sum of its proper divisors (15394605).

25501395 is a wasteful number, since it uses less digits than its factorization.

25501395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 25501395 is about 5049.8905928743. The cubic root of 25501395 is about 294.3436330911.

The spelling of 25501395 in words is "twenty-five million, five hundred one thousand, three hundred ninety-five".