25435572 has 12 divisors (see below), whose sum is σ = 59349696. Its totient is φ = 8478520.

The previous prime is 25435561. The next prime is 25435573. The reversal of 25435572 is 27553452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435573) 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 3 ways as a sum of consecutive naturals, for example, 1059804 + ... + 1059827.

It is an arithmetic number, because the mean of its divisors is an integer number (4945808).

Almost surely, 2^25435572 is an apocalyptic number.

It is an amenable number.

25435572 is an abundant number, since it is smaller than the sum of its proper divisors (33914124).

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

25435572 is a wasteful number, since it uses less digits than its factorization.

25435572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119638 (or 2119636 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 25435572 is about 5043.3691120123. The cubic root of 25435572 is about 294.0901662450.

The spelling of 25435572 in words is "twenty-five million, four hundred thirty-five thousand, five hundred seventy-two".