25266425 has 12 divisors (see below), whose sum is σ = 31923180. Its totient is φ = 19830720.

The previous prime is 25266361. The next prime is 25266427. The reversal of 25266425 is 52466252.

It can be written as a sum of positive squares in 6 ways, for example, as 2637376 + 22629049 = 1624^2 + 4757^2 .

It is not a de Polignac number, because 25266425 - 2⁶ = 25266361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25266391 and 25266400.

It is not an unprimeable number, because it can be changed into a prime (25266427) by changing a digit.

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, 8210 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (2660265).

Almost surely, 2^25266425 is an apocalyptic number.

25266425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25266425 is a deficient number, since it is larger than the sum of its proper divisors (6656755).

25266425 is a wasteful number, since it uses less digits than its factorization.

25266425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19132 (or 19127 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 25266425 is about 5026.5718934479. The cubic root of 25266425 is about 293.4368142420.

The spelling of 25266425 in words is "twenty-five million, two hundred sixty-six thousand, four hundred twenty-five".