425544635 has 4 divisors (see below), whose sum is σ = 510653568. Its totient is φ = 340435704.

The previous prime is 425544619. The next prime is 425544751. The reversal of 425544635 is 536445524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425544635 - 2⁴ = 425544619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42554459 + ... + 42554468.

It is an arithmetic number, because the mean of its divisors is an integer number (127663392).

Almost surely, 2^425544635 is an apocalyptic number.

425544635 is a deficient number, since it is larger than the sum of its proper divisors (85108933).

425544635 is an equidigital number, since it uses as much as digits as its factorization.

425544635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85108932.

The product of its digits is 288000, while the sum is 38.

The square root of 425544635 is about 20628.7332378893. The cubic root of 425544635 is about 752.1683236407.

The spelling of 425544635 in words is "four hundred twenty-five million, five hundred forty-four thousand, six hundred thirty-five".