425873447 has 4 divisors (see below), whose sum is σ = 427101096. Its totient is φ = 424645800.

The previous prime is 425873431. The next prime is 425873479. The reversal of 425873447 is 744378524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425873447 - 2⁴ = 425873431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425873398 and 425873407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425873347) 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, 613304 + ... + 613997.

It is an arithmetic number, because the mean of its divisors is an integer number (106775274).

Almost surely, 2^425873447 is an apocalyptic number.

425873447 is a deficient number, since it is larger than the sum of its proper divisors (1227649).

425873447 is a wasteful number, since it uses less digits than its factorization.

425873447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227648.

The product of its digits is 752640, while the sum is 44.

The square root of 425873447 is about 20636.7014563859. The cubic root of 425873447 is about 752.3620035175.

The spelling of 425873447 in words is "four hundred twenty-five million, eight hundred seventy-three thousand, four hundred forty-seven".