2515522423 has 8 divisors (see below), whose sum is σ = 2649249200. Its totient is φ = 2381928768.

The previous prime is 2515522393. The next prime is 2515522447. The reversal of 2515522423 is 3242255152.

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

It is a de Polignac number, because none of the positive numbers 2^k-2515522423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515522223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6763 + ... + 71251.

It is an arithmetic number, because the mean of its divisors is an integer number (331156150).

Almost surely, 2^2515522423 is an apocalyptic number.

2515522423 is a deficient number, since it is larger than the sum of its proper divisors (133726777).

2515522423 is a wasteful number, since it uses less digits than its factorization.

2515522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66561.

The product of its digits is 24000, while the sum is 31.

The square root of 2515522423 is about 50154.9840295060. The cubic root of 2515522423 is about 1360.0119705910.

Adding to 2515522423 its reverse (3242255152), we get a palindrome (5757777575).

The spelling of 2515522423 in words is "two billion, five hundred fifteen million, five hundred twenty-two thousand, four hundred twenty-three".