725441201 has 4 divisors (see below), whose sum is σ = 725997552. Its totient is φ = 724884852.

The previous prime is 725441191. The next prime is 725441237. The reversal of 725441201 is 102144527.

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 725441201 - 2¹⁸ = 725179057 is a prime.

It is a super-2 number, since 2×725441201² = 1052529872216644802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (725441251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276215 + ... + 278828.

It is an arithmetic number, because the mean of its divisors is an integer number (181499388).

Almost surely, 2^725441201 is an apocalyptic number.

It is an amenable number.

725441201 is a deficient number, since it is larger than the sum of its proper divisors (556351).

725441201 is a wasteful number, since it uses less digits than its factorization.

725441201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556350.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 725441201 is about 26934.0156864883. The cubic root of 725441201 is about 898.5330840255.

Adding to 725441201 its reverse (102144527), we get a palindrome (827585728).

The spelling of 725441201 in words is "seven hundred twenty-five million, four hundred forty-one thousand, two hundred one".