25711452 has 48 divisors (see below), whose sum is σ = 71790880. Its totient is φ = 7910784.

The previous prime is 25711423. The next prime is 25711453. The reversal of 25711452 is 25411752.

It is a super-2 number, since 2×25711452² = 1322157527896608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25711453) 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 15 ways as a sum of consecutive naturals, for example, 7753 + ... + 10560.

Almost surely, 2^25711452 is an apocalyptic number.

It is an amenable number.

25711452 is an abundant number, since it is smaller than the sum of its proper divisors (46079428).

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

25711452 is a wasteful number, since it uses less digits than its factorization.

25711452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18339 (or 18331 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 25711452 is about 5070.6461126764. The cubic root of 25711452 is about 295.1496014166.

The spelling of 25711452 in words is "twenty-five million, seven hundred eleven thousand, four hundred fifty-two".