25772522 has 8 divisors (see below), whose sum is σ = 39388356. Its totient is φ = 12643072.

The previous prime is 25772423. The next prime is 25772533. The reversal of 25772522 is 22527752.

It can be written as a sum of positive squares in 2 ways, for example, as 24790441 + 982081 = 4979^2 + 991^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 121463 + ... + 121674.

Almost surely, 2^25772522 is an apocalyptic number.

25772522 is a deficient number, since it is larger than the sum of its proper divisors (13615834).

25772522 is a wasteful number, since it uses less digits than its factorization.

25772522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243192.

The product of its digits is 19600, while the sum is 32.

The square root of 25772522 is about 5076.6644561168. The cubic root of 25772522 is about 295.3830970343.

The spelling of 25772522 in words is "twenty-five million, seven hundred seventy-two thousand, five hundred twenty-two".