425634653 has 8 divisors (see below), whose sum is σ = 451052280. Its totient is φ = 400933120.

The previous prime is 425634647. The next prime is 425634667. The reversal of 425634653 is 356436524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7963684 + 417670969 = 2822^2 + 20437^2 .

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

It is not a de Polignac number, because 425634653 - 2¹⁰ = 425633629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425634623) 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, 177800 + ... + 180177.

It is an arithmetic number, because the mean of its divisors is an integer number (56381535).

Almost surely, 2^425634653 is an apocalyptic number.

It is an amenable number.

425634653 is a deficient number, since it is larger than the sum of its proper divisors (25417627).

425634653 is a wasteful number, since it uses less digits than its factorization.

425634653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358047.

The product of its digits is 259200, while the sum is 38.

The square root of 425634653 is about 20630.9149821330. The cubic root of 425634653 is about 752.2213567884.

The spelling of 425634653 in words is "four hundred twenty-five million, six hundred thirty-four thousand, six hundred fifty-three".