725434031 has 8 divisors (see below), whose sum is σ = 830885280. Its totient is φ = 620437248.

The previous prime is 725434009. The next prime is 725434057. The reversal of 725434031 is 130434527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725434031 - 2¹⁴ = 725417647 is a prime.

It is a super-2 number, since 2×725434031² = 1052509066665817922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725433985 and 725434003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725434091) 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, 110186 + ... + 116583.

It is an arithmetic number, because the mean of its divisors is an integer number (103860660).

Almost surely, 2^725434031 is an apocalyptic number.

725434031 is a deficient number, since it is larger than the sum of its proper divisors (105451249).

725434031 is a wasteful number, since it uses less digits than its factorization.

725434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227233.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 725434031 is about 26933.8825830960. The cubic root of 725434031 is about 898.5301237564.

Adding to 725434031 its reverse (130434527), we get a palindrome (855868558).

The spelling of 725434031 in words is "seven hundred twenty-five million, four hundred thirty-four thousand, thirty-one".