25475225 has 12 divisors (see below), whose sum is σ = 31820880. Its totient is φ = 20230800.

The previous prime is 25475201. The next prime is 25475239. The reversal of 25475225 is 52257452.

It is not a de Polignac number, because 25475225 - 2⁶ = 25475161 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25475191 and 25475200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (2651740).

Almost surely, 2^25475225 is an apocalyptic number.

25475225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25475225 is a deficient number, since it is larger than the sum of its proper divisors (6345655).

25475225 is a wasteful number, since it uses less digits than its factorization.

25475225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7475 counting only the distinct ones).

The product of its digits is 28000, while the sum is 32.

The square root of 25475225 is about 5047.2987825172. The cubic root of 25475225 is about 294.2429116815.

The spelling of 25475225 in words is "twenty-five million, four hundred seventy-five thousand, two hundred twenty-five".