425662773 has 4 divisors (see below), whose sum is σ = 567550368. Its totient is φ = 283775180.

The previous prime is 425662733. The next prime is 425662789. The reversal of 425662773 is 377266524.

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 425662773 - 2¹⁰ = 425661749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425662723) 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, 70943793 + ... + 70943798.

It is an arithmetic number, because the mean of its divisors is an integer number (141887592).

Almost surely, 2^425662773 is an apocalyptic number.

It is an amenable number.

425662773 is a deficient number, since it is larger than the sum of its proper divisors (141887595).

425662773 is a wasteful number, since it uses less digits than its factorization.

425662773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141887594.

The product of its digits is 423360, while the sum is 42.

The square root of 425662773 is about 20631.5964724013. The cubic root of 425662773 is about 752.2379218547.

The spelling of 425662773 in words is "four hundred twenty-five million, six hundred sixty-two thousand, seven hundred seventy-three".