2506570487 has 4 divisors (see below), whose sum is σ = 2506782720. Its totient is φ = 2506358256.

The previous prime is 2506570483. The next prime is 2506570537. The reversal of 2506570487 is 7840756052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2506570487 - 2² = 2506570483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506570481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87287 + ... + 112392.

It is an arithmetic number, because the mean of its divisors is an integer number (626695680).

Almost surely, 2^2506570487 is an apocalyptic number.

2506570487 is a deficient number, since it is larger than the sum of its proper divisors (212233).

2506570487 is a wasteful number, since it uses less digits than its factorization.

2506570487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212232.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 2506570487 is about 50065.6617553389. The cubic root of 2506570487 is about 1358.3967712160.

The spelling of 2506570487 in words is "two billion, five hundred six million, five hundred seventy thousand, four hundred eighty-seven".