425060689 has 9 divisors (see below), whose sum is σ = 434348593. Its totient is φ = 415968592.

The previous prime is 425060681. The next prime is 425060767. The reversal of 425060689 is 986060524.

It is a happy number.

The square root of 425060689 is 20617.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1030225 + 424030464 = 1015^2 + 20592^2 .

It is not a de Polignac number, because 425060689 - 2³ = 425060681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425060681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1092507 + ... + 1092895.

Almost surely, 2^425060689 is an apocalyptic number.

425060689 is the 20617-th square number.

425060689 is the 10309-th centered octagonal number.

It is an amenable number.

425060689 is a deficient number, since it is larger than the sum of its proper divisors (9287904).

425060689 is an frugal number, since it uses more digits than its factorization.

425060689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 425060689 is about 751.8830837409.

The spelling of 425060689 in words is "four hundred twenty-five million, sixty thousand, six hundred eighty-nine".