25532522 has 4 divisors (see below), whose sum is σ = 38298786. Its totient is φ = 12766260.

The previous prime is 25532513. The next prime is 25532531. The reversal of 25532522 is 22523552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25532513) and next prime (25532531).

It can be written as a sum of positive squares in only one way, i.e., 20784481 + 4748041 = 4559^2 + 2179^2 .

It is a super-4 number, since 4×25532522⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25532491 and 25532500.

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 as a sum of consecutive naturals, namely, 6383129 + ... + 6383132.

Almost surely, 2^25532522 is an apocalyptic number.

25532522 is a deficient number, since it is larger than the sum of its proper divisors (12766264).

25532522 is a wasteful number, since it uses less digits than its factorization.

25532522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766263.

The product of its digits is 6000, while the sum is 26.

The square root of 25532522 is about 5052.9716009493. The cubic root of 25532522 is about 294.4633430007.

It can be divided in two parts, 2553 and 2522, that multiplied together give a triangular number (6438666 = T₃₅₈₈).

The spelling of 25532522 in words is "twenty-five million, five hundred thirty-two thousand, five hundred twenty-two".