725245130 has 16 divisors (see below), whose sum is σ = 1306562400. Its totient is φ = 289848912.

The previous prime is 725245111. The next prime is 725245139. The reversal of 725245130 is 31542527.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 725245093 and 725245102.

It is not an unprimeable number, because it can be changed into a prime (725245139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18680 + ... + 42419.

It is an arithmetic number, because the mean of its divisors is an integer number (81660150).

Almost surely, 2^725245130 is an apocalyptic number.

725245130 is a deficient number, since it is larger than the sum of its proper divisors (581317270).

725245130 is a wasteful number, since it uses less digits than its factorization.

725245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62293.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 725245130 is about 26930.3756007970. The cubic root of 725245130 is about 898.4521254058.

Adding to 725245130 its reverse (31542527), we get a palindrome (756787657).

The spelling of 725245130 in words is "seven hundred twenty-five million, two hundred forty-five thousand, one hundred thirty".