2621245315 has 16 divisors (see below), whose sum is σ = 3394748448. Its totient is φ = 1931521536.

The previous prime is 2621245309. The next prime is 2621245343. The reversal of 2621245315 is 5135421262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621245315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12822 + ... + 73531.

It is an arithmetic number, because the mean of its divisors is an integer number (212171778).

Almost surely, 2^2621245315 is an apocalyptic number.

2621245315 is a deficient number, since it is larger than the sum of its proper divisors (773503133).

2621245315 is a wasteful number, since it uses less digits than its factorization.

2621245315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86838.

The product of its digits is 14400, while the sum is 31.

The square root of 2621245315 is about 51198.0987439963. The cubic root of 2621245315 is about 1378.8040669767.

Adding to 2621245315 its reverse (5135421262), we get a palindrome (7756666577).

The spelling of 2621245315 in words is "two billion, six hundred twenty-one million, two hundred forty-five thousand, three hundred fifteen".