25115901 has 8 divisors (see below), whose sum is σ = 33752064. Its totient is φ = 16611840.

The previous prime is 25115899. The next prime is 25115939. The reversal of 25115901 is 10951152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25115901 - 2¹ = 25115899 is a prime.

It is a super-3 number, since 3×25115901³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32580 + ... + 33341.

It is an arithmetic number, because the mean of its divisors is an integer number (4219008).

Almost surely, 2^25115901 is an apocalyptic number.

It is an amenable number.

25115901 is a deficient number, since it is larger than the sum of its proper divisors (8636163).

25115901 is a wasteful number, since it uses less digits than its factorization.

25115901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66051.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 25115901 is about 5011.5766980063. The cubic root of 25115901 is about 292.8529394371.

The spelling of 25115901 in words is "twenty-five million, one hundred fifteen thousand, nine hundred one".