2515640132 has 6 divisors (see below), whose sum is σ = 4402370238. Its totient is φ = 1257820064.

The previous prime is 2515640129. The next prime is 2515640191. The reversal of 2515640132 is 2310465152.

It can be written as a sum of positive squares in only one way, i.e., 2511412996 + 4227136 = 50114^2 + 2056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2515640095 and 2515640104.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 314455013 + ... + 314455020.

It is an arithmetic number, because the mean of its divisors is an integer number (733728373).

Almost surely, 2^2515640132 is an apocalyptic number.

It is an amenable number.

2515640132 is a deficient number, since it is larger than the sum of its proper divisors (1886730106).

2515640132 is a wasteful number, since it uses less digits than its factorization.

2515640132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628910037 (or 628910035 counting only the distinct ones).

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

The square root of 2515640132 is about 50156.1574684505. The cubic root of 2515640132 is about 1360.0331833022.

The spelling of 2515640132 in words is "two billion, five hundred fifteen million, six hundred forty thousand, one hundred thirty-two".