25533042 has 16 divisors (see below), whose sum is σ = 51291840. Its totient is φ = 8473392.

The previous prime is 25533023. The next prime is 25533073. The reversal of 25533042 is 24033552.

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, 7918 + ... + 10665.

It is an arithmetic number, because the mean of its divisors is an integer number (3205740).

Almost surely, 2^25533042 is an apocalyptic number.

25533042 is an abundant number, since it is smaller than the sum of its proper divisors (25758798).

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

25533042 is a wasteful number, since it uses less digits than its factorization.

25533042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18817.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 25533042 is about 5053.0230555579. The cubic root of 25533042 is about 294.4653420185.

Adding to 25533042 its reverse (24033552), we get a palindrome (49566594).

The spelling of 25533042 in words is "twenty-five million, five hundred thirty-three thousand, forty-two".