725250 has 32 divisors (see below), whose sum is σ = 1812096. Its totient is φ = 193200.

The previous prime is 725209. The next prime is 725273. The reversal of 725250 is 52527.

725250 = T₃₉ + T₄₀ + ... + T₁₆₃.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

725250 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (56628).

2⁷²⁵²⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906048).

725250 is an abundant number, since it is smaller than the sum of its proper divisors (1086846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725250 is a wasteful number, since it uses less digits than its factorization.

725250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 725250 is about 851.6161106978. The cubic root of 725250 is about 89.8454136428.

Adding to 725250 its reverse (52527), we get a palindrome (777777).

The spelling of 725250 in words is "seven hundred twenty-five thousand, two hundred fifty".