425356819 has 8 divisors (see below), whose sum is σ = 450968000. Its totient is φ = 400068072.

The previous prime is 425356807. The next prime is 425356831. The reversal of 425356819 is 918653524.

It is an interprime number because it is at equal distance from previous prime (425356807) and next prime (425356831).

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

It is a cyclic number.

It is not a de Polignac number, because 425356819 - 2⁵ = 425356787 is a prime.

It is a super-2 number, since 2×425356819² = 361856846939597522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425356219) 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, 77889 + ... + 83170.

It is an arithmetic number, because the mean of its divisors is an integer number (56371000).

Almost surely, 2^425356819 is an apocalyptic number.

425356819 is a deficient number, since it is larger than the sum of its proper divisors (25611181).

425356819 is a wasteful number, since it uses less digits than its factorization.

425356819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161217.

The product of its digits is 259200, while the sum is 43.

The square root of 425356819 is about 20624.1804443231. The cubic root of 425356819 is about 752.0576497555.

The spelling of 425356819 in words is "four hundred twenty-five million, three hundred fifty-six thousand, eight hundred nineteen".