425474773 has 4 divisors (see below), whose sum is σ = 425541600. Its totient is φ = 425407948.

The previous prime is 425474767. The next prime is 425474779. The reversal of 425474773 is 377474524.

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 an interprime number because it is at equal distance from previous prime (425474767) and next prime (425474779).

It is a cyclic number.

It is not a de Polignac number, because 425474773 - 2²⁵ = 391920341 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 (425474779) 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, 22723 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (106385400).

Almost surely, 2^425474773 is an apocalyptic number.

It is an amenable number.

425474773 is a deficient number, since it is larger than the sum of its proper divisors (66827).

425474773 is an equidigital number, since it uses as much as digits as its factorization.

425474773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66826.

The product of its digits is 658560, while the sum is 43.

The square root of 425474773 is about 20627.0398506427. The cubic root of 425474773 is about 752.1271600314.

The spelling of 425474773 in words is "four hundred twenty-five million, four hundred seventy-four thousand, seven hundred seventy-three".