2505825487 has 8 divisors (see below), whose sum is σ = 2734198272. Its totient is φ = 2277547800.

The previous prime is 2505825479. The next prime is 2505825493. The reversal of 2505825487 is 7845285052.

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

It is not a de Polignac number, because 2505825487 - 2³ = 2505825479 is a prime.

It is a super-2 number, since 2×2505825487² = 12558322742597574338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505825437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38412 + ... + 80542.

It is an arithmetic number, because the mean of its divisors is an integer number (341774784).

Almost surely, 2^2505825487 is an apocalyptic number.

2505825487 is a deficient number, since it is larger than the sum of its proper divisors (228372785).

2505825487 is a wasteful number, since it uses less digits than its factorization.

2505825487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47549.

The product of its (nonzero) digits is 896000, while the sum is 46.

The square root of 2505825487 is about 50058.2209731828. The cubic root of 2505825487 is about 1358.2621775047.

The spelling of 2505825487 in words is "two billion, five hundred five million, eight hundred twenty-five thousand, four hundred eighty-seven".