728362525 has 54 divisors (see below), whose sum is σ = 1023617210. Its totient is φ = 513691200.

The previous prime is 728362483. The next prime is 728362529. The reversal of 728362525 is 525263827.

It can be written as a sum of positive squares in 3 ways, for example, as 86601636 + 641760889 = 9306^2 + 25333^2 .

It is not a de Polignac number, because 728362525 - 2⁹ = 728362013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728362529) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6682171 + ... + 6682279.

Almost surely, 2^728362525 is an apocalyptic number.

It is an amenable number.

728362525 is a deficient number, since it is larger than the sum of its proper divisors (295254685).

728362525 is a wasteful number, since it uses less digits than its factorization.

728362525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 172 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 728362525 is about 26988.1923255338. The cubic root of 728362525 is about 899.7375881054.

The spelling of 728362525 in words is "seven hundred twenty-eight million, three hundred sixty-two thousand, five hundred twenty-five".