2652578851 has 4 divisors (see below), whose sum is σ = 2856623392. Its totient is φ = 2448534312.

The previous prime is 2652578849. The next prime is 2652578861. The reversal of 2652578851 is 1588752562.

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 2652578851 - 2¹ = 2652578849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2652578795 and 2652578804.

It is not an unprimeable number, because it can be changed into a prime (2652578801) 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, 102022251 + ... + 102022276.

It is an arithmetic number, because the mean of its divisors is an integer number (714155848).

Almost surely, 2^2652578851 is an apocalyptic number.

2652578851 is a deficient number, since it is larger than the sum of its proper divisors (204044541).

2652578851 is a wasteful number, since it uses less digits than its factorization.

2652578851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204044540.

The product of its digits is 1344000, while the sum is 49.

The square root of 2652578851 is about 51503.1926291953. The cubic root of 2652578851 is about 1384.2762492977.

The spelling of 2652578851 in words is "two billion, six hundred fifty-two million, five hundred seventy-eight thousand, eight hundred fifty-one".