2505995053 has 4 divisors (see below), whose sum is σ = 2506649308. Its totient is φ = 2505340800.

The previous prime is 2505995033. The next prime is 2505995057. The reversal of 2505995053 is 3505995052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1261528324 + 1244466729 = 35518^2 + 35277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505995053 - 2¹⁷ = 2505863981 is a prime.

It is a super-2 number, since 2×2505995053² = 12560022411320945618, 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 (2505995057) 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, 321348 + ... + 329053.

It is an arithmetic number, because the mean of its divisors is an integer number (626662327).

Almost surely, 2^2505995053 is an apocalyptic number.

It is an amenable number.

2505995053 is a deficient number, since it is larger than the sum of its proper divisors (654255).

2505995053 is an equidigital number, since it uses as much as digits as its factorization.

2505995053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654254.

The product of its (nonzero) digits is 303750, while the sum is 43.

The square root of 2505995053 is about 50059.9146323683. The cubic root of 2505995053 is about 1358.2928141007.

Subtracting 2505995053 from its reverse (3505995052), we obtain a palindrome (999999999).

The spelling of 2505995053 in words is "two billion, five hundred five million, nine hundred ninety-five thousand, fifty-three".