2515242752573 has 4 divisors (see below), whose sum is σ = 2537501538108. Its totient is φ = 2492983967040.

The previous prime is 2515242752551. The next prime is 2515242752611. The reversal of 2515242752573 is 3752572425152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465612440164 + 2049630312409 = 682358^2 + 1431653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515242752573 - 2⁶ = 2515242752509 is a prime.

It is a super-2 number, since 2×2515242752573² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515242752513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11129392598 + ... + 11129392823.

It is an arithmetic number, because the mean of its divisors is an integer number (634375384527).

Almost surely, 2^{2515242752573} is an apocalyptic number.

It is an amenable number.

2515242752573 is a deficient number, since it is larger than the sum of its proper divisors (22258785535).

2515242752573 is a wasteful number, since it uses less digits than its factorization.

2515242752573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22258785534.

The product of its digits is 5880000, while the sum is 50.

The spelling of 2515242752573 in words is "two trillion, five hundred fifteen billion, two hundred forty-two million, seven hundred fifty-two thousand, five hundred seventy-three".