2520531723 has 32 divisors (see below), whose sum is σ = 3578852160. Its totient is φ = 1574899200.

The previous prime is 2520531701. The next prime is 2520531779. The reversal of 2520531723 is 3271350252.

It is a happy number.

It is not a de Polignac number, because 2520531723 - 2¹⁴ = 2520515339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520531023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2255961 + ... + 2257077.

It is an arithmetic number, because the mean of its divisors is an integer number (111839130).

Almost surely, 2^2520531723 is an apocalyptic number.

2520531723 is a deficient number, since it is larger than the sum of its proper divisors (1058320437).

2520531723 is a wasteful number, since it uses less digits than its factorization.

2520531723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 2520531723 is about 50204.8974005525. The cubic root of 2520531723 is about 1360.9141278955.

Adding to 2520531723 its reverse (3271350252), we get a palindrome (5791881975).

The spelling of 2520531723 in words is "two billion, five hundred twenty million, five hundred thirty-one thousand, seven hundred twenty-three".