2520557534 has 48 divisors (see below), whose sum is σ = 4366656000. Its totient is φ = 1088274000.

The previous prime is 2520557527. The next prime is 2520557539. The reversal of 2520557534 is 4357550252.

It is a super-2 number, since 2×2520557534² = 12706420564408322312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520557539) 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 23 ways as a sum of consecutive naturals, for example, 838967 + ... + 841965.

It is an arithmetic number, because the mean of its divisors is an integer number (90972000).

Almost surely, 2^2520557534 is an apocalyptic number.

2520557534 is a deficient number, since it is larger than the sum of its proper divisors (1846098466).

2520557534 is a wasteful number, since it uses less digits than its factorization.

2520557534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 2520557534 is about 50205.1544564898. The cubic root of 2520557534 is about 1360.9187732691.

The spelling of 2520557534 in words is "two billion, five hundred twenty million, five hundred fifty-seven thousand, five hundred thirty-four".