425961697 has 8 divisors (see below), whose sum is σ = 487181952. Its totient is φ = 364833600.

The previous prime is 425961691. The next prime is 425961709. The reversal of 425961697 is 796169524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425961697 - 2¹⁹ = 425437409 is a prime.

It is a super-2 number, since 2×425961697² = 362886734622239618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425961697.

It is not an unprimeable number, because it can be changed into a prime (425961691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12829 + ... + 31882.

It is an arithmetic number, because the mean of its divisors is an integer number (60897744).

Almost surely, 2^425961697 is an apocalyptic number.

It is an amenable number.

425961697 is a deficient number, since it is larger than the sum of its proper divisors (61220255).

425961697 is a wasteful number, since it uses less digits than its factorization.

425961697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46079.

The product of its digits is 816480, while the sum is 49.

The square root of 425961697 is about 20638.8395264850. The cubic root of 425961697 is about 752.4139683767.

It can be divided in two parts, 4259 and 61697, that added together give a palindrome (65956).

The spelling of 425961697 in words is "four hundred twenty-five million, nine hundred sixty-one thousand, six hundred ninety-seven".