2515225747 has 4 divisors (see below), whose sum is σ = 2516911920. Its totient is φ = 2513539576.

The previous prime is 2515225733. The next prime is 2515225753. The reversal of 2515225747 is 7475225152.

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 2515225747 - 2¹¹ = 2515223699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515222747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840847 + ... + 843832.

It is an arithmetic number, because the mean of its divisors is an integer number (629227980).

Almost surely, 2^2515225747 is an apocalyptic number.

2515225747 is a deficient number, since it is larger than the sum of its proper divisors (1686173).

2515225747 is a wasteful number, since it uses less digits than its factorization.

2515225747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686172.

The product of its digits is 196000, while the sum is 40.

The square root of 2515225747 is about 50152.0263498894. The cubic root of 2515225747 is about 1359.9585027347.

The spelling of 2515225747 in words is "two billion, five hundred fifteen million, two hundred twenty-five thousand, seven hundred forty-seven".