25013542 has 4 divisors (see below), whose sum is σ = 37520316. Its totient is φ = 12506770.

The previous prime is 25013449. The next prime is 25013543. The reversal of 25013542 is 24531052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253384 + ... + 6253387.

It is an arithmetic number, because the mean of its divisors is an integer number (9380079).

Almost surely, 2^25013542 is an apocalyptic number.

25013542 is a deficient number, since it is larger than the sum of its proper divisors (12506774).

25013542 is a wasteful number, since it uses less digits than its factorization.

25013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506773.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25013542 is about 5001.3540166639. The cubic root of 25013542 is about 292.4545603556.

Adding to 25013542 its reverse (24531052), we get a palindrome (49544594).

The spelling of 25013542 in words is "twenty-five million, thirteen thousand, five hundred forty-two".