25575542 has 8 divisors (see below), whose sum is σ = 38715600. Its totient is φ = 12670344.

The previous prime is 25575541. The next prime is 25575551. The reversal of 25575542 is 24557552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25575541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58442 + ... + 58877.

It is an arithmetic number, because the mean of its divisors is an integer number (4839450).

Almost surely, 2^25575542 is an apocalyptic number.

25575542 is a deficient number, since it is larger than the sum of its proper divisors (13140058).

25575542 is a wasteful number, since it uses less digits than its factorization.

25575542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117430.

The product of its digits is 70000, while the sum is 35.

The square root of 25575542 is about 5057.2267103621. The cubic root of 25575542 is about 294.6286316074.

The spelling of 25575542 in words is "twenty-five million, five hundred seventy-five thousand, five hundred forty-two".