725425235 has 4 divisors (see below), whose sum is σ = 870510288. Its totient is φ = 580340184.

The previous prime is 725425231. The next prime is 725425271. The reversal of 725425235 is 532524527.

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 725425235 - 2² = 725425231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725425195 and 725425204.

It is not an unprimeable number, because it can be changed into a prime (725425231) 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, 72542519 + ... + 72542528.

It is an arithmetic number, because the mean of its divisors is an integer number (217627572).

Almost surely, 2^725425235 is an apocalyptic number.

725425235 is a deficient number, since it is larger than the sum of its proper divisors (145085053).

725425235 is a wasteful number, since it uses less digits than its factorization.

725425235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145085052.

The product of its digits is 84000, while the sum is 35.

The square root of 725425235 is about 26933.7192938517. The cubic root of 725425235 is about 898.5264921361.

It can be divided in two parts, 72542 and 5235, that added together give a palindrome (77777).

The spelling of 725425235 in words is "seven hundred twenty-five million, four hundred twenty-five thousand, two hundred thirty-five".