425663461 has 8 divisors (see below), whose sum is σ = 446834304. Its totient is φ = 404714640.

The previous prime is 425663437. The next prime is 425663473. The reversal of 425663461 is 164366524.

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 425663461 - 2⁷ = 425663333 is a prime.

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 425663461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425663401) 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, 51570 + ... + 59251.

It is an arithmetic number, because the mean of its divisors is an integer number (55854288).

Almost surely, 2^425663461 is an apocalyptic number.

It is an amenable number.

425663461 is a deficient number, since it is larger than the sum of its proper divisors (21170843).

425663461 is a wasteful number, since it uses less digits than its factorization.

425663461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111011.

The product of its digits is 103680, while the sum is 37.

The square root of 425663461 is about 20631.6131458497. The cubic root of 425663461 is about 752.2383271359.

The spelling of 425663461 in words is "four hundred twenty-five million, six hundred sixty-three thousand, four hundred sixty-one".