2515315671 has 48 divisors (see below), whose sum is σ = 4045991040. Its totient is φ = 1492920000.

The previous prime is 2515315669. The next prime is 2515315679. The reversal of 2515315671 is 1765135152.

It is a happy number.

2515315671 is a `hidden beast` number, since 2 + 5 + 1 + 531 + 56 + 71 = 666.

It is not a de Polignac number, because 2515315671 - 2¹ = 2515315669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515315679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1932721 + ... + 1934021.

It is an arithmetic number, because the mean of its divisors is an integer number (84291480).

Almost surely, 2^2515315671 is an apocalyptic number.

2515315671 is a deficient number, since it is larger than the sum of its proper divisors (1530675369).

2515315671 is a wasteful number, since it uses less digits than its factorization.

2515315671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1705 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 2515315671 is about 50152.9228560011. The cubic root of 2515315671 is about 1359.9747095571.

The spelling of 2515315671 in words is "two billion, five hundred fifteen million, three hundred fifteen thousand, six hundred seventy-one".