25914489 has 16 divisors (see below), whose sum is σ = 35242944. Its totient is φ = 16934400.

The previous prime is 25914463. The next prime is 25914517. The reversal of 25914489 is 98441952.

It is not a de Polignac number, because 25914489 - 2⁵ = 25914457 is a prime.

It is a super-2 number, since 2×25914489² = 1343121480262242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25914489.

It is not an unprimeable number, because it can be changed into a prime (25914439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52534 + ... + 53024.

It is an arithmetic number, because the mean of its divisors is an integer number (2202684).

Almost surely, 2^25914489 is an apocalyptic number.

It is an amenable number.

25914489 is a deficient number, since it is larger than the sum of its proper divisors (9328455).

25914489 is a wasteful number, since it uses less digits than its factorization.

25914489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its digits is 103680, while the sum is 42.

The square root of 25914489 is about 5090.6275644561. The cubic root of 25914489 is about 295.9244732127.

The spelling of 25914489 in words is "twenty-five million, nine hundred fourteen thousand, four hundred eighty-nine".