407725489 has 2 divisors, whose sum is σ = 407725490. Its totient is φ = 407725488.

The previous prime is 407725453. The next prime is 407725543. The reversal of 407725489 is 984527704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237683889 + 170041600 = 15417^2 + 13040^2 .

It is a cyclic number.

It is not a de Polignac number, because 407725489 - 2²¹ = 405628337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (407725889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203862744 + 203862745.

It is an arithmetic number, because the mean of its divisors is an integer number (203862745).

Almost surely, 2^407725489 is an apocalyptic number.

It is an amenable number.

407725489 is a deficient number, since it is larger than the sum of its proper divisors (1).

407725489 is an equidigital number, since it uses as much as digits as its factorization.

407725489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 407725489 is about 20192.2135735535. The cubic root of 407725489 is about 741.5195758857.

The spelling of 407725489 in words is "four hundred seven million, seven hundred twenty-five thousand, four hundred eighty-nine".