25480905 has 8 divisors (see below), whose sum is σ = 40769472. Its totient is φ = 13589808.

The previous prime is 25480883. The next prime is 25480913. The reversal of 25480905 is 50908452.

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

It is not a de Polignac number, because 25480905 - 2¹¹ = 25478857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849349 + ... + 849378.

It is an arithmetic number, because the mean of its divisors is an integer number (5096184).

Almost surely, 2^25480905 is an apocalyptic number.

It is an amenable number.

25480905 is a deficient number, since it is larger than the sum of its proper divisors (15288567).

25480905 is a wasteful number, since it uses less digits than its factorization.

25480905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698735.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25480905 is about 5047.8614283675. The cubic root of 25480905 is about 294.2647783584.

The spelling of 25480905 in words is "twenty-five million, four hundred eighty thousand, nine hundred five".