2516243415 has 32 divisors (see below), whose sum is σ = 4636279296. Its totient is φ = 1141495680.

The previous prime is 2516243399. The next prime is 2516243419. The reversal of 2516243415 is 5143426152.

It is not a de Polignac number, because 2516243415 - 2⁴ = 2516243399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516243419) 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, 77712 + ... + 105221.

It is an arithmetic number, because the mean of its divisors is an integer number (144883728).

Almost surely, 2^2516243415 is an apocalyptic number.

2516243415 is a deficient number, since it is larger than the sum of its proper divisors (2120035881).

2516243415 is a wasteful number, since it uses less digits than its factorization.

2516243415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183079.

The product of its digits is 28800, while the sum is 33.

The square root of 2516243415 is about 50162.1711551643. The cubic root of 2516243415 is about 1360.1418924547.

Adding to 2516243415 its reverse (5143426152), we get a palindrome (7659669567).

The spelling of 2516243415 in words is "two billion, five hundred sixteen million, two hundred forty-three thousand, four hundred fifteen".