725344141 has 4 divisors (see below), whose sum is σ = 725406300. Its totient is φ = 725281984.

The previous prime is 725344129. The next prime is 725344153. The reversal of 725344141 is 141443527.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (725344129) and next prime (725344153).

It can be written as a sum of positive squares in 2 ways, for example, as 137475625 + 587868516 = 11725^2 + 24246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725344141 is a prime.

It is a super-2 number, since 2×725344141² = 1052248245766055762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725344111) 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, 7726 + ... + 38863.

It is an arithmetic number, because the mean of its divisors is an integer number (181351575).

Almost surely, 2^725344141 is an apocalyptic number.

It is an amenable number.

725344141 is a deficient number, since it is larger than the sum of its proper divisors (62159).

725344141 is a wasteful number, since it uses less digits than its factorization.

725344141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62158.

The product of its digits is 13440, while the sum is 31.

The square root of 725344141 is about 26932.2138154293. The cubic root of 725344141 is about 898.4930093276.

Adding to 725344141 its reverse (141443527), we get a palindrome (866787668).

The spelling of 725344141 in words is "seven hundred twenty-five million, three hundred forty-four thousand, one hundred forty-one".