425897289 has 6 divisors (see below), whose sum is σ = 615184986. Its totient is φ = 283931520.

The previous prime is 425897281. The next prime is 425897309. The reversal of 425897289 is 982798524.

It can be written as a sum of positive squares in only one way, i.e., 286184889 + 139712400 = 16917^2 + 11820^2 .

It is not a de Polignac number, because 425897289 - 2³ = 425897281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425897281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23660952 + ... + 23660969.

It is an arithmetic number, because the mean of its divisors is an integer number (102530831).

Almost surely, 2^425897289 is an apocalyptic number.

It is an amenable number.

425897289 is a deficient number, since it is larger than the sum of its proper divisors (189287697).

425897289 is a wasteful number, since it uses less digits than its factorization.

425897289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47321927 (or 47321924 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 425897289 is about 20637.2791084484. The cubic root of 425897289 is about 752.3760432753.

The spelling of 425897289 in words is "four hundred twenty-five million, eight hundred ninety-seven thousand, two hundred eighty-nine".