25706252 has 36 divisors (see below), whose sum is σ = 53156376. Its totient is φ = 10782720.

The previous prime is 25706251. The next prime is 25706279. The reversal of 25706252 is 25260752.

25706252 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×25706252² = 1321622783775008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25706251) 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, 5708 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1476566).

Almost surely, 2^25706252 is an apocalyptic number.

25706252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25706252 is an abundant number, since it is smaller than the sum of its proper divisors (27450124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25706252 is a wasteful number, since it uses less digits than its factorization.

25706252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25706252 is about 5070.1333315801. The cubic root of 25706252 is about 295.1297026129.

The spelling of 25706252 in words is "twenty-five million, seven hundred six thousand, two hundred fifty-two".