425126519 has 4 divisors (see below), whose sum is σ = 425283696. Its totient is φ = 424969344.

The previous prime is 425126483. The next prime is 425126521. The reversal of 425126519 is 915621524.

It is a happy number.

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 425126519 - 2¹⁶ = 425060983 is a prime.

It is a super-2 number, since 2×425126519² = 361465114314114722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425126579) 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, 74459 + ... + 79964.

It is an arithmetic number, because the mean of its divisors is an integer number (106320924).

Almost surely, 2^425126519 is an apocalyptic number.

425126519 is a deficient number, since it is larger than the sum of its proper divisors (157177).

425126519 is a wasteful number, since it uses less digits than its factorization.

425126519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157176.

The product of its digits is 21600, while the sum is 35.

The square root of 425126519 is about 20618.5964362272. The cubic root of 425126519 is about 751.9218969501.

The spelling of 425126519 in words is "four hundred twenty-five million, one hundred twenty-six thousand, five hundred nineteen".