725223514 has 4 divisors (see below), whose sum is σ = 1087835274. Its totient is φ = 362611756.

The previous prime is 725223487. The next prime is 725223523. The reversal of 725223514 is 415322527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415322527 = 1549 ⋅268123.

It can be written as a sum of positive squares in only one way, i.e., 667964025 + 57259489 = 25845^2 + 7567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181305877 + ... + 181305880.

Almost surely, 2^725223514 is an apocalyptic number.

725223514 is a deficient number, since it is larger than the sum of its proper divisors (362611760).

725223514 is a wasteful number, since it uses less digits than its factorization.

725223514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362611759.

The product of its digits is 16800, while the sum is 31.

The square root of 725223514 is about 26929.9742666049. The cubic root of 725223514 is about 898.4431991668.

It can be divided in two parts, 7252235 and 14, that added together give a square (7252249 = 2693²).

The spelling of 725223514 in words is "seven hundred twenty-five million, two hundred twenty-three thousand, five hundred fourteen".