2520413523 has 64 divisors (see below), whose sum is σ = 4024080000. Its totient is φ = 1553559552.

The previous prime is 2520413521. The next prime is 2520413543. The reversal of 2520413523 is 3253140252.

It is a happy number.

2520413523 is a `hidden beast` number, since 2 + 520 + 4 + 135 + 2 + 3 = 666.

It is not a de Polignac number, because 2520413523 - 2¹ = 2520413521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2520413521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9369433 + ... + 9369701.

It is an arithmetic number, because the mean of its divisors is an integer number (62876250).

Almost surely, 2^2520413523 is an apocalyptic number.

2520413523 is a deficient number, since it is larger than the sum of its proper divisors (1503666477).

2520413523 is a wasteful number, since it uses less digits than its factorization.

2520413523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2520413523 is about 50203.7202107573. The cubic root of 2520413523 is about 1360.8928542673.

Adding to 2520413523 its reverse (3253140252), we get a palindrome (5773553775).

The spelling of 2520413523 in words is "two billion, five hundred twenty million, four hundred thirteen thousand, five hundred twenty-three".