2515873 has 2 divisors, whose sum is σ = 2515874. Its totient is φ = 2515872.

The previous prime is 2515871. The next prime is 2515879. The reversal of 2515873 is 3785152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 304704 = 1487^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515873 - 2¹ = 2515871 is a prime.

Together with 2515871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2515871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257936 + 1257937.

It is an arithmetic number, because the mean of its divisors is an integer number (1257937).

2^2515873 is an apocalyptic number.

It is an amenable number.

2515873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515873 is an equidigital number, since it uses as much as digits as its factorization.

2515873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 2515873 is about 1586.1503711817. The cubic root of 2515873 is about 136.0075147232.

The spelling of 2515873 in words is "two million, five hundred fifteen thousand, eight hundred seventy-three".