425861273 has 4 divisors (see below), whose sum is σ = 425910708. Its totient is φ = 425811840.

The previous prime is 425861263. The next prime is 425861279. The reversal of 425861273 is 372168524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 92871769 + 332989504 = 9637^2 + 18248^2 .

It is a cyclic number.

It is not a de Polignac number, because 425861273 - 2⁴ = 425861257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425861279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8048 + ... + 30273.

It is an arithmetic number, because the mean of its divisors is an integer number (106477677).

Almost surely, 2^425861273 is an apocalyptic number.

It is an amenable number.

425861273 is a deficient number, since it is larger than the sum of its proper divisors (49435).

425861273 is a wasteful number, since it uses less digits than its factorization.

425861273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49434.

The product of its digits is 80640, while the sum is 38.

The square root of 425861273 is about 20636.4064943488. The cubic root of 425861273 is about 752.3548344533.

The spelling of 425861273 in words is "four hundred twenty-five million, eight hundred sixty-one thousand, two hundred seventy-three".