8725315051 has 4 divisors (see below), whose sum is σ = 8725887504. Its totient is φ = 8724742600.

The previous prime is 8725315043. The next prime is 8725315069. The reversal of 8725315051 is 1505135278.

It is a happy number.

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 8725315051 - 2³ = 8725315043 is a prime.

It is a super-2 number, since 2×8725315051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8725315051.

It is not an unprimeable number, because it can be changed into a prime (8725315021) 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, 262720 + ... + 294061.

It is an arithmetic number, because the mean of its divisors is an integer number (2181471876).

Almost surely, 2^8725315051 is an apocalyptic number.

8725315051 is a deficient number, since it is larger than the sum of its proper divisors (572453).

8725315051 is a wasteful number, since it uses less digits than its factorization.

8725315051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572452.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 8725315051 is about 93409.3948754621. The cubic root of 8725315051 is about 2058.7030396964.

The spelling of 8725315051 in words is "eight billion, seven hundred twenty-five million, three hundred fifteen thousand, fifty-one".