728101525 has 24 divisors (see below), whose sum is σ = 917361920. Its totient is φ = 573168960.

The previous prime is 728101523. The next prime is 728101531. The reversal of 728101525 is 525101827.

It is not a de Polignac number, because 728101525 - 2¹ = 728101523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728101523) 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 23 ways as a sum of consecutive naturals, for example, 961447 + ... + 962203.

Almost surely, 2^728101525 is an apocalyptic number.

It is an amenable number.

728101525 is a deficient number, since it is larger than the sum of its proper divisors (189260395).

728101525 is a wasteful number, since it uses less digits than its factorization.

728101525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 728101525 is about 26983.3564442973. The cubic root of 728101525 is about 899.6301051978.

The spelling of 728101525 in words is "seven hundred twenty-eight million, one hundred one thousand, five hundred twenty-five".