2505574479 has 8 divisors (see below), whose sum is σ = 3516595840. Its totient is φ = 1582468056.

The previous prime is 2505574457. The next prime is 2505574499. The reversal of 2505574479 is 9744755052.

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

It is not a de Polignac number, because 2505574479 - 2⁵ = 2505574447 is a prime.

It is a super-2 number, since 2×2505574479² = 12555806939632242882, 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 (2505574429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21978667 + ... + 21978780.

It is an arithmetic number, because the mean of its divisors is an integer number (439574480).

Almost surely, 2^2505574479 is an apocalyptic number.

2505574479 is a deficient number, since it is larger than the sum of its proper divisors (1011021361).

2505574479 is a wasteful number, since it uses less digits than its factorization.

2505574479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43957469.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 2505574479 is about 50055.7137497809. The cubic root of 2505574479 is about 1358.2168237136.

The spelling of 2505574479 in words is "two billion, five hundred five million, five hundred seventy-four thousand, four hundred seventy-nine".