725037197 has 4 divisors (see below), whose sum is σ = 728680800. Its totient is φ = 721393596.

The previous prime is 725037193. The next prime is 725037223. The reversal of 725037197 is 791730527.

725037197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725037197 - 2² = 725037193 is a prime.

It is a super-3 number, since 3×725037197³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725037193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821503 + ... + 1821900.

It is an arithmetic number, because the mean of its divisors is an integer number (182170200).

Almost surely, 2^725037197 is an apocalyptic number.

It is an amenable number.

725037197 is a deficient number, since it is larger than the sum of its proper divisors (3643603).

725037197 is a wasteful number, since it uses less digits than its factorization.

725037197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643602.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 725037197 is about 26926.5147577625. The cubic root of 725037197 is about 898.3662529677.

The spelling of 725037197 in words is "seven hundred twenty-five million, thirty-seven thousand, one hundred ninety-seven".