425770631 has 8 divisors (see below), whose sum is σ = 500206224. Its totient is φ = 357289920.

The previous prime is 425770619. The next prime is 425770669. The reversal of 425770631 is 136077524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-425770631 is a prime.

It is a super-2 number, since 2×425770631² = 362561260444276322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425770591 and 425770600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425775631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488566 + ... + 1488851.

It is an arithmetic number, because the mean of its divisors is an integer number (62525778).

Almost surely, 2^425770631 is an apocalyptic number.

425770631 is a deficient number, since it is larger than the sum of its proper divisors (74435593).

425770631 is a wasteful number, since it uses less digits than its factorization.

425770631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977441.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 425770631 is about 20634.2102102310. The cubic root of 425770631 is about 752.3014526049.

The spelling of 425770631 in words is "four hundred twenty-five million, seven hundred seventy thousand, six hundred thirty-one".