425506273 has 4 divisors (see below), whose sum is σ = 447901360. Its totient is φ = 403111188.

The previous prime is 425506259. The next prime is 425506297. The reversal of 425506273 is 372605524.

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 425506273 - 2⁹ = 425505761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425506573) 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, 11197515 + ... + 11197552.

It is an arithmetic number, because the mean of its divisors is an integer number (111975340).

Almost surely, 2^425506273 is an apocalyptic number.

It is an amenable number.

425506273 is a deficient number, since it is larger than the sum of its proper divisors (22395087).

425506273 is a wasteful number, since it uses less digits than its factorization.

425506273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395086.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 425506273 is about 20627.8033973567. The cubic root of 425506273 is about 752.1457208035.

The spelling of 425506273 in words is "four hundred twenty-five million, five hundred six thousand, two hundred seventy-three".