25481967 has 8 divisors (see below), whose sum is σ = 38829696. Its totient is φ = 14561112.

The previous prime is 25481959. The next prime is 25481977. The reversal of 25481967 is 76918452.

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

It is not a de Polignac number, because 25481967 - 2³ = 25481959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25481947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606693 + ... + 606734.

It is an arithmetic number, because the mean of its divisors is an integer number (4853712).

Almost surely, 2^25481967 is an apocalyptic number.

25481967 is a deficient number, since it is larger than the sum of its proper divisors (13347729).

25481967 is a wasteful number, since it uses less digits than its factorization.

25481967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213437.

The product of its digits is 120960, while the sum is 42.

The square root of 25481967 is about 5047.9666203334. The cubic root of 25481967 is about 294.2688664504.

The spelling of 25481967 in words is "twenty-five million, four hundred eighty-one thousand, nine hundred sixty-seven".