25771252 has 24 divisors (see below), whose sum is σ = 51427656. Its totient is φ = 11194368.

The previous prime is 25771243. The next prime is 25771267. The reversal of 25771252 is 25217752.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 25765776 = 74^2 + 5076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13693 + ... + 15460.

It is an arithmetic number, because the mean of its divisors is an integer number (2142819).

Almost surely, 2^25771252 is an apocalyptic number.

It is an amenable number.

25771252 is a deficient number, since it is larger than the sum of its proper divisors (25656404).

25771252 is a wasteful number, since it uses less digits than its factorization.

25771252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29187 (or 29185 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 25771252 is about 5076.5393724465. The cubic root of 25771252 is about 295.3782450619.

The spelling of 25771252 in words is "twenty-five million, seven hundred seventy-one thousand, two hundred fifty-two".