725325142 has 4 divisors (see below), whose sum is σ = 1087987716. Its totient is φ = 362662570.

The previous prime is 725325127. The next prime is 725325143. The reversal of 725325142 is 241523527.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725325143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181331284 + ... + 181331287.

It is an arithmetic number, because the mean of its divisors is an integer number (271996929).

Almost surely, 2^725325142 is an apocalyptic number.

725325142 is a deficient number, since it is larger than the sum of its proper divisors (362662574).

725325142 is a wasteful number, since it uses less digits than its factorization.

725325142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362662573.

The product of its digits is 16800, while the sum is 31.

The square root of 725325142 is about 26931.8610942504. The cubic root of 725325142 is about 898.4851644915.

Adding to 725325142 its reverse (241523527), we get a palindrome (966848669).

The spelling of 725325142 in words is "seven hundred twenty-five million, three hundred twenty-five thousand, one hundred forty-two".