2505572439 has 16 divisors (see below), whose sum is σ = 3368588160. Its totient is φ = 1656496800.

The previous prime is 2505572437. The next prime is 2505572441. The reversal of 2505572439 is 9342755052.

It is an interprime number because it is at equal distance from previous prime (2505572437) and next prime (2505572441).

It is not a de Polignac number, because 2505572439 - 2¹ = 2505572437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2505572439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505572431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435409 + ... + 441125.

It is an arithmetic number, because the mean of its divisors is an integer number (210536760).

Almost surely, 2^2505572439 is an apocalyptic number.

2505572439 is a deficient number, since it is larger than the sum of its proper divisors (863015721).

2505572439 is a wasteful number, since it uses less digits than its factorization.

2505572439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 2505572439 is about 50055.6933724826. The cubic root of 2505572439 is about 1358.2164551004.

The spelling of 2505572439 in words is "two billion, five hundred five million, five hundred seventy-two thousand, four hundred thirty-nine".