25000534535 has 8 divisors (see below), whose sum is σ = 30732364656. Its totient is φ = 19512612160.

The previous prime is 25000534523. The next prime is 25000534607. The reversal of 25000534535 is 53543500052.

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

It is not a de Polignac number, because 25000534535 - 2⁴ = 25000534519 is a prime.

It is a Duffinian number.

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, 60976709 + ... + 60977118.

It is an arithmetic number, because the mean of its divisors is an integer number (3841545582).

Almost surely, 2^25000534535 is an apocalyptic number.

25000534535 is a deficient number, since it is larger than the sum of its proper divisors (5731830121).

25000534535 is a wasteful number, since it uses less digits than its factorization.

25000534535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121953873.

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 25000534535 in words is "twenty-five billion, five hundred thirty-four thousand, five hundred thirty-five".