725078357 has 2 divisors, whose sum is σ = 725078358. Its totient is φ = 725078356.

The previous prime is 725078311. The next prime is 725078363. The reversal of 725078357 is 753870527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713477521 + 11600836 = 26711^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 725078357 - 2²⁶ = 657969493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725078377) 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 as a sum of consecutive naturals, namely, 362539178 + 362539179.

It is an arithmetic number, because the mean of its divisors is an integer number (362539179).

Almost surely, 2^725078357 is an apocalyptic number.

It is an amenable number.

725078357 is a deficient number, since it is larger than the sum of its proper divisors (1).

725078357 is an equidigital number, since it uses as much as digits as its factorization.

725078357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 44.

The square root of 725078357 is about 26927.2790493210. The cubic root of 725078357 is about 898.3832525807.

The spelling of 725078357 in words is "seven hundred twenty-five million, seventy-eight thousand, three hundred fifty-seven".