2505639151 has 2 divisors, whose sum is σ = 2505639152. Its totient is φ = 2505639150.

The previous prime is 2505639127. The next prime is 2505639229. The reversal of 2505639151 is 1519365052.

2505639151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505639151 - 2⁵ = 2505639119 is a prime.

It is a super-4 number, since 4×2505639151⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2505639151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505639551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252819575 + 1252819576.

It is an arithmetic number, because the mean of its divisors is an integer number (1252819576).

Almost surely, 2^2505639151 is an apocalyptic number.

2505639151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505639151 is an equidigital number, since it uses as much as digits as its factorization.

2505639151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 2505639151 is about 50056.3597457905. The cubic root of 2505639151 is about 1358.2285093694.

The spelling of 2505639151 in words is "two billion, five hundred five million, six hundred thirty-nine thousand, one hundred fifty-one".