425586613 has 4 divisors (see below), whose sum is σ = 431938720. Its totient is φ = 419234508.

The previous prime is 425586611. The next prime is 425586649. The reversal of 425586613 is 316685524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425586613 - 2¹ = 425586611 is a prime.

It is a super-2 number, since 2×425586613² = 362247930329623538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425586611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175953 + ... + 3176086.

It is an arithmetic number, because the mean of its divisors is an integer number (107984680).

Almost surely, 2^425586613 is an apocalyptic number.

It is an amenable number.

425586613 is a deficient number, since it is larger than the sum of its proper divisors (6352107).

425586613 is an equidigital number, since it uses as much as digits as its factorization.

425586613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352106.

The product of its digits is 172800, while the sum is 40.

The square root of 425586613 is about 20629.7506771168. The cubic root of 425586613 is about 752.1930554637.

The spelling of 425586613 in words is "four hundred twenty-five million, five hundred eighty-six thousand, six hundred thirteen".