2527652639 has 4 divisors (see below), whose sum is σ = 2528975856. Its totient is φ = 2526329424.

The previous prime is 2527652629. The next prime is 2527652683. The reversal of 2527652639 is 9362567252.

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 2527652639 - 2²⁰ = 2526604063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2527652593 and 2527652602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2527652629) 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, 658739 + ... + 662564.

It is an arithmetic number, because the mean of its divisors is an integer number (632243964).

Almost surely, 2^2527652639 is an apocalyptic number.

2527652639 is a deficient number, since it is larger than the sum of its proper divisors (1323217).

2527652639 is a wasteful number, since it uses less digits than its factorization.

2527652639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323216.

The product of its digits is 1360800, while the sum is 47.

The square root of 2527652639 is about 50275.7659215650. The cubic root of 2527652639 is about 1362.1945248340.

The spelling of 2527652639 in words is "two billion, five hundred twenty-seven million, six hundred fifty-two thousand, six hundred thirty-nine".