2505527131 has 4 divisors (see below), whose sum is σ = 2637397000. Its totient is φ = 2373657264.

The previous prime is 2505527119. The next prime is 2505527137. The reversal of 2505527131 is 1317255052.

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

It is a cyclic number.

It is not a de Polignac number, because 2505527131 - 2²⁷ = 2371309403 is a prime.

It is a super-2 number, since 2×2505527131² = 12555332408354182322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505527093 and 2505527102.

It is not an unprimeable number, because it can be changed into a prime (2505527137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65934906 + ... + 65934943.

It is an arithmetic number, because the mean of its divisors is an integer number (659349250).

Almost surely, 2^2505527131 is an apocalyptic number.

2505527131 is a deficient number, since it is larger than the sum of its proper divisors (131869869).

2505527131 is a wasteful number, since it uses less digits than its factorization.

2505527131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131869868.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 2505527131 is about 50055.2407945462. The cubic root of 2505527131 is about 1358.2082682232.

The spelling of 2505527131 in words is "two billion, five hundred five million, five hundred twenty-seven thousand, one hundred thirty-one".