2623261215 has 16 divisors (see below), whose sum is σ = 4198566528. Its totient is φ = 1398623136.

The previous prime is 2623261171. The next prime is 2623261219. The reversal of 2623261215 is 5121623262.

It is a de Polignac number, because none of the positive numbers 2^k-2623261215 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623261219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23164 + ... + 76046.

It is an arithmetic number, because the mean of its divisors is an integer number (262410408).

Almost surely, 2^2623261215 is an apocalyptic number.

2623261215 is a deficient number, since it is larger than the sum of its proper divisors (1575305313).

2623261215 is a wasteful number, since it uses less digits than its factorization.

2623261215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56198.

The product of its digits is 8640, while the sum is 30.

The square root of 2623261215 is about 51217.7822147738. The cubic root of 2623261215 is about 1379.1574383130.

Adding to 2623261215 its reverse (5121623262), we get a palindrome (7744884477).

The spelling of 2623261215 in words is "two billion, six hundred twenty-three million, two hundred sixty-one thousand, two hundred fifteen".