2520146539 has 4 divisors (see below), whose sum is σ = 2521090624. Its totient is φ = 2519202456.

The previous prime is 2520146527. The next prime is 2520146543. The reversal of 2520146539 is 9356410252.

2520146539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2520146539 - 2¹¹ = 2520144491 is a prime.

It is a super-2 number, since 2×2520146539² = 12702277156067357042, 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 = 2520146498 and 2520146507.

It is not an unprimeable number, because it can be changed into a prime (2520116539) 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, 468027 + ... + 473380.

It is an arithmetic number, because the mean of its divisors is an integer number (630272656).

Almost surely, 2^2520146539 is an apocalyptic number.

2520146539 is a deficient number, since it is larger than the sum of its proper divisors (944085).

2520146539 is an equidigital number, since it uses as much as digits as its factorization.

2520146539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944084.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2520146539 is about 50201.0611342031. The cubic root of 2520146539 is about 1360.8448000565.

The spelling of 2520146539 in words is "two billion, five hundred twenty million, one hundred forty-six thousand, five hundred thirty-nine".