2515254215 has 4 divisors (see below), whose sum is σ = 3018305064. Its totient is φ = 2012203368.

The previous prime is 2515254211. The next prime is 2515254229. The reversal of 2515254215 is 5124525152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2515254215 - 2² = 2515254211 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 (2515254211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251525417 + ... + 251525426.

It is an arithmetic number, because the mean of its divisors is an integer number (754576266).

Almost surely, 2^2515254215 is an apocalyptic number.

2515254215 is a deficient number, since it is larger than the sum of its proper divisors (503050849).

2515254215 is an equidigital number, since it uses as much as digits as its factorization.

2515254215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503050848.

The product of its digits is 20000, while the sum is 32.

The square root of 2515254215 is about 50152.3101661329. The cubic root of 2515254215 is about 1359.9636335071.

Adding to 2515254215 its reverse (5124525152), we get a palindrome (7639779367).

The spelling of 2515254215 in words is "two billion, five hundred fifteen million, two hundred fifty-four thousand, two hundred fifteen".