725517083 has 4 divisors (see below), whose sum is σ = 757061328. Its totient is φ = 693972840.

The previous prime is 725517061. The next prime is 725517137. The reversal of 725517083 is 380715527.

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 725517083 - 2⁶ = 725517019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725517043) 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, 15772088 + ... + 15772133.

It is an arithmetic number, because the mean of its divisors is an integer number (189265332).

Almost surely, 2^725517083 is an apocalyptic number.

725517083 is a deficient number, since it is larger than the sum of its proper divisors (31544245).

725517083 is a wasteful number, since it uses less digits than its factorization.

725517083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31544244.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 725517083 is about 26935.4243144599. The cubic root of 725517083 is about 898.5644121378.

It can be divided in two parts, 72 and 5517083, that added together give a palindrome (5517155).

The spelling of 725517083 in words is "seven hundred twenty-five million, five hundred seventeen thousand, eighty-three".