2520372853 has 4 divisors (see below), whose sum is σ = 2520487660. Its totient is φ = 2520258048.

The previous prime is 2520372847. The next prime is 2520372871. The reversal of 2520372853 is 3582730252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1538365284 + 982007569 = 39222^2 + 31337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520372853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520375853) 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, 13050 + ... + 72187.

It is an arithmetic number, because the mean of its divisors is an integer number (630121915).

Almost surely, 2^2520372853 is an apocalyptic number.

It is an amenable number.

2520372853 is a deficient number, since it is larger than the sum of its proper divisors (114807).

2520372853 is an equidigital number, since it uses as much as digits as its factorization.

2520372853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114806.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2520372853 is about 50203.3151594593. The cubic root of 2520372853 is about 1360.8855343295.

The spelling of 2520372853 in words is "two billion, five hundred twenty million, three hundred seventy-two thousand, eight hundred fifty-three".