2515220606 has 4 divisors (see below), whose sum is σ = 3772830912. Its totient is φ = 1257610302.

The previous prime is 2515220599. The next prime is 2515220611. The reversal of 2515220606 is 6060225152.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628805150 + ... + 628805153.

It is an arithmetic number, because the mean of its divisors is an integer number (943207728).

Almost surely, 2^2515220606 is an apocalyptic number.

2515220606 is a deficient number, since it is larger than the sum of its proper divisors (1257610306).

2515220606 is a wasteful number, since it uses less digits than its factorization.

2515220606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257610305.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2515220606 is about 50151.9750957029. The cubic root of 2515220606 is about 1359.9575761709.

Adding to 2515220606 its reverse (6060225152), we get a palindrome (8575445758).

The spelling of 2515220606 in words is "two billion, five hundred fifteen million, two hundred twenty thousand, six hundred six".