725227577 has 2 divisors, whose sum is σ = 725227578. Its totient is φ = 725227576.

The previous prime is 725227553. The next prime is 725227619. The reversal of 725227577 is 775722527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552673081 + 172554496 = 23509^2 + 13136^2 .

It is a cyclic number.

It is not a de Polignac number, because 725227577 - 2¹² = 725223481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725227537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362613788 + 362613789.

It is an arithmetic number, because the mean of its divisors is an integer number (362613789).

Almost surely, 2^725227577 is an apocalyptic number.

It is an amenable number.

725227577 is a deficient number, since it is larger than the sum of its proper divisors (1).

725227577 is an equidigital number, since it uses as much as digits as its factorization.

725227577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480200, while the sum is 44.

The square root of 725227577 is about 26930.0497028877. The cubic root of 725227577 is about 898.4448769796. Note that the first 3 decimals are identical.

The spelling of 725227577 in words is "seven hundred twenty-five million, two hundred twenty-seven thousand, five hundred seventy-seven".