2520164231 has 8 divisors (see below), whose sum is σ = 2715042624. Its totient is φ = 2325431520.

The previous prime is 2520164209. The next prime is 2520164243. The reversal of 2520164231 is 1324610252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520164231 - 2¹⁸ = 2519902087 is a prime.

It is a super-2 number, since 2×2520164231² = 12702455502423642722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520164231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520164131) 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 7 ways as a sum of consecutive naturals, for example, 941 + ... + 71001.

It is an arithmetic number, because the mean of its divisors is an integer number (339380328).

Almost surely, 2^2520164231 is an apocalyptic number.

2520164231 is a deficient number, since it is larger than the sum of its proper divisors (194878393).

2520164231 is a wasteful number, since it uses less digits than its factorization.

2520164231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72841.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2520164231 is about 50201.2373453085. The cubic root of 2520164231 is about 1360.8479845287.

Adding to 2520164231 its reverse (1324610252), we get a palindrome (3844774483).

The spelling of 2520164231 in words is "two billion, five hundred twenty million, one hundred sixty-four thousand, two hundred thirty-one".