725077 has 2 divisors, whose sum is σ = 725078. Its totient is φ = 725076.

The previous prime is 725071. The next prime is 725099. The reversal of 725077 is 770527.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 148996 = 759^2 + 386^2 .

It is an emirp because it is prime and its reverse (770527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725077 - 2⁷ = 724949 is a prime.

725077 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362538 + 362539.

It is an arithmetic number, because the mean of its divisors is an integer number (362539).

2⁷²⁵⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

725077 is a deficient number, since it is larger than the sum of its proper divisors (1).

725077 is an equidigital number, since it uses as much as digits as its factorization.

725077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 725077 is about 851.5145330527. The cubic root of 725077 is about 89.8382692132.

The spelling of 725077 in words is "seven hundred twenty-five thousand, seventy-seven".