725345250 has 128 divisors (see below), whose sum is σ = 2159419392. Its totient is φ = 158558400.

The previous prime is 725345207. The next prime is 725345251. The reversal of 725345250 is 52543527.

It is a super-2 number, since 2×725345250² = 1052251463395125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725345251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117747 + ... + 123753.

It is an arithmetic number, because the mean of its divisors is an integer number (16870464).

Almost surely, 2^725345250 is an apocalyptic number.

725345250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 725345250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079709696).

725345250 is an abundant number, since it is smaller than the sum of its proper divisors (1434074142).

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

725345250 is a wasteful number, since it uses less digits than its factorization.

725345250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 725345250 is about 26932.2344041485. The cubic root of 725345250 is about 898.4934672381.

Adding to 725345250 its reverse (52543527), we get a palindrome (777888777).

The spelling of 725345250 in words is "seven hundred twenty-five million, three hundred forty-five thousand, two hundred fifty".