2505825854 has 8 divisors (see below), whose sum is σ = 4295701488. Its totient is φ = 1073925360.

The previous prime is 2505825809. The next prime is 2505825863. The reversal of 2505825854 is 4585285052.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89493767 + ... + 89493794.

It is an arithmetic number, because the mean of its divisors is an integer number (536962686).

Almost surely, 2^2505825854 is an apocalyptic number.

2505825854 is a deficient number, since it is larger than the sum of its proper divisors (1789875634).

2505825854 is a wasteful number, since it uses less digits than its factorization.

2505825854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178987570.

The product of its (nonzero) digits is 640000, while the sum is 44.

The square root of 2505825854 is about 50058.2246389142. The cubic root of 2505825854 is about 1358.2622438145.

The spelling of 2505825854 in words is "two billion, five hundred five million, eight hundred twenty-five thousand, eight hundred fifty-four".