25042534 has 16 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 11361160.

The previous prime is 25042529. The next prime is 25042541. The reversal of 25042534 is 43524052.

It is a junction number, because it is equal to n+sod(n) for n = 25042499 and 25042508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327 + ... + 19645.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^25042534 is an apocalyptic number.

25042534 is a deficient number, since it is larger than the sum of its proper divisors (16014746).

25042534 is a wasteful number, since it uses less digits than its factorization.

25042534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25042534 is about 5004.2515923962. The cubic root of 25042534 is about 292.5675067603.

Adding to 25042534 its reverse (43524052), we get a palindrome (68566586).

The spelling of 25042534 in words is "twenty-five million, forty-two thousand, five hundred thirty-four".