725954 has 4 divisors (see below), whose sum is σ = 1088934. Its totient is φ = 362976.

The previous prime is 725953. The next prime is 725981. The reversal of 725954 is 459527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459527 = 17 ⋅27031.

It can be written as a sum of positive squares in only one way, i.e., 683929 + 42025 = 827^2 + 205^2 .

It is a super-3 number, since 3×725954³ = 1147753332361651992, which contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 725954.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725954.

It is not an unprimeable number, because it can be changed into a prime (725953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181487 + ... + 181490.

2⁷²⁵⁹⁵⁴ is an apocalyptic number.

725954 is a deficient number, since it is larger than the sum of its proper divisors (362980).

725954 is a wasteful number, since it uses less digits than its factorization.

725954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362979.

The product of its digits is 12600, while the sum is 32.

The square root of 725954 is about 852.0293422177. The cubic root of 725954 is about 89.8744752152.

The spelling of 725954 in words is "seven hundred twenty-five thousand, nine hundred fifty-four".