425356919 has 8 divisors (see below), whose sum is σ = 469249872. Its totient is φ = 383060160.

The previous prime is 425356907. The next prime is 425356961. The reversal of 425356919 is 919653524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425356919 is a prime.

It is a super-2 number, since 2×425356919² = 361857017082345122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425356919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425356979) 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, 398489 + ... + 399554.

It is an arithmetic number, because the mean of its divisors is an integer number (58656234).

Almost surely, 2^425356919 is an apocalyptic number.

425356919 is a deficient number, since it is larger than the sum of its proper divisors (43892953).

425356919 is a wasteful number, since it uses less digits than its factorization.

425356919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798097.

The product of its digits is 291600, while the sum is 44.

The square root of 425356919 is about 20624.1828686617. The cubic root of 425356919 is about 752.0577086909.

The spelling of 425356919 in words is "four hundred twenty-five million, three hundred fifty-six thousand, nine hundred nineteen".