725351 has 16 divisors (see below), whose sum is σ = 857088. Its totient is φ = 607200.

The previous prime is 725341. The next prime is 725357. The reversal of 725351 is 153527.

725351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725351 - 2¹⁸ = 463207 is a prime.

It is a super-2 number, since 2×725351² = 1052268146402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725351.

It is not an unprimeable number, because it can be changed into a prime (725357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11861 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁷²⁵³⁵¹ is an apocalyptic number.

725351 is a deficient number, since it is larger than the sum of its proper divisors (131737).

725351 is a wasteful number, since it uses less digits than its factorization.

725351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its digits is 1050, while the sum is 23.

The square root of 725351 is about 851.6754076525. The cubic root of 725351 is about 89.8495841429.

Adding to 725351 its reverse (153527), we get a palindrome (878878).

The spelling of 725351 in words is "seven hundred twenty-five thousand, three hundred fifty-one".