25042204535 has 16 divisors (see below), whose sum is σ = 33492981600. Its totient is φ = 17862921216.

The previous prime is 25042204513. The next prime is 25042204547. The reversal of 25042204535 is 53540224052.

It is a cyclic number.

It is not a de Polignac number, because 25042204535 - 2¹⁸ = 25041942391 is a prime.

It is a super-2 number, since 2×25042204535² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7751390 + ... + 7754619.

It is an arithmetic number, because the mean of its divisors is an integer number (2093311350).

Almost surely, 2^25042204535 is an apocalyptic number.

25042204535 is a deficient number, since it is larger than the sum of its proper divisors (8450777065).

25042204535 is a wasteful number, since it uses less digits than its factorization.

25042204535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15506050.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 25042204535 its reverse (53540224052), we get a palindrome (78582428587).

The spelling of 25042204535 in words is "twenty-five billion, forty-two million, two hundred four thousand, five hundred thirty-five".