2505057149 has 16 divisors (see below), whose sum is σ = 3030529920. Its totient is φ = 2024930880.

The previous prime is 2505057131. The next prime is 2505057157. The reversal of 2505057149 is 9417505052.

It is a happy number.

It is not a de Polignac number, because 2505057149 - 2⁸ = 2505056893 is a prime.

It is a super-2 number, since 2×2505057149² = 12550622639512016402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505057179) 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, 134762 + ... + 152219.

It is an arithmetic number, because the mean of its divisors is an integer number (189408120).

Almost surely, 2^2505057149 is an apocalyptic number.

2505057149 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2505057149 is a deficient number, since it is larger than the sum of its proper divisors (525472771).

2505057149 is a wasteful number, since it uses less digits than its factorization.

2505057149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287060.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 2505057149 is about 50050.5459410784. The cubic root of 2505057149 is about 1358.1233395406.

The spelling of 2505057149 in words is "two billion, five hundred five million, fifty-seven thousand, one hundred forty-nine".