425355515 has 32 divisors (see below), whose sum is σ = 568814400. Its totient is φ = 303312384.

The previous prime is 425355493. The next prime is 425355523. The reversal of 425355515 is 515553524.

It is not a de Polignac number, because 425355515 - 2¹⁰ = 425354491 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 357752 + ... + 358938.

It is an arithmetic number, because the mean of its divisors is an integer number (17775450).

Almost surely, 2^425355515 is an apocalyptic number.

425355515 is a deficient number, since it is larger than the sum of its proper divisors (143458885).

425355515 is a wasteful number, since it uses less digits than its factorization.

425355515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its digits is 75000, while the sum is 35.

The square root of 425355515 is about 20624.1488309215. The cubic root of 425355515 is about 752.0568812367.

The spelling of 425355515 in words is "four hundred twenty-five million, three hundred fifty-five thousand, five hundred fifteen".