725077285 has 16 divisors (see below), whose sum is σ = 953046000. Its totient is φ = 527113216.

The previous prime is 725077279. The next prime is 725077291. The reversal of 725077285 is 582770527.

It is an interprime number because it is at equal distance from previous prime (725077279) and next prime (725077291).

It can be written as a sum of positive squares in 8 ways, for example, as 63250209 + 661827076 = 7953^2 + 25726^2 .

It is a cyclic number.

It is not a de Polignac number, because 725077285 - 2⁵ = 725077253 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144610 + ... + 149539.

It is an arithmetic number, because the mean of its divisors is an integer number (59565375).

Almost surely, 2^725077285 is an apocalyptic number.

It is an amenable number.

725077285 is a deficient number, since it is larger than the sum of its proper divisors (227968715).

725077285 is a wasteful number, since it uses less digits than its factorization.

725077285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294200.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 725077285 is about 26927.2591438490. The cubic root of 725077285 is about 898.3828098389.

The spelling of 725077285 in words is "seven hundred twenty-five million, seventy-seven thousand, two hundred eighty-five".