425546385 has 32 divisors (see below), whose sum is σ = 746928000. Its totient is φ = 205171200.

The previous prime is 425546371. The next prime is 425546399. The reversal of 425546385 is 583645524.

It is an interprime number because it is at equal distance from previous prime (425546371) and next prime (425546399).

It is not a de Polignac number, because 425546385 - 2⁸ = 425546129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22741 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (23341500).

Almost surely, 2^425546385 is an apocalyptic number.

It is an amenable number.

425546385 is a deficient number, since it is larger than the sum of its proper divisors (321381615).

425546385 is a wasteful number, since it uses less digits than its factorization.

425546385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449.

The product of its digits is 576000, while the sum is 42.

The square root of 425546385 is about 20628.7756544105. The cubic root of 425546385 is about 752.1693547059.

The spelling of 425546385 in words is "four hundred twenty-five million, five hundred forty-six thousand, three hundred eighty-five".