425126518 has 4 divisors (see below), whose sum is σ = 637689780. Its totient is φ = 212563258.

The previous prime is 425126483. The next prime is 425126521. The reversal of 425126518 is 815621524.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106281628 + ... + 106281631.

It is an arithmetic number, because the mean of its divisors is an integer number (159422445).

Almost surely, 2^425126518 is an apocalyptic number.

425126518 is a deficient number, since it is larger than the sum of its proper divisors (212563262).

425126518 is a wasteful number, since it uses less digits than its factorization.

425126518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212563261.

The product of its digits is 19200, while the sum is 34.

The square root of 425126518 is about 20618.5964119772. The cubic root of 425126518 is about 751.9218963606.

The spelling of 425126518 in words is "four hundred twenty-five million, one hundred twenty-six thousand, five hundred eighteen".