427303517 has 8 divisors (see below), whose sum is σ = 463474872. Its totient is φ = 392358400.

The previous prime is 427303469. The next prime is 427303519. The reversal of 427303517 is 715303724.

It can be written as a sum of positive squares in 4 ways, for example, as 24940036 + 402363481 = 4994^2 + 20059^2 .

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 427303517 - 2²⁴ = 410526301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427303519) 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, 305834 + ... + 307227.

It is an arithmetic number, because the mean of its divisors is an integer number (57934359).

Almost surely, 2^427303517 is an apocalyptic number.

It is an amenable number.

427303517 is a deficient number, since it is larger than the sum of its proper divisors (36171355).

427303517 is a wasteful number, since it uses less digits than its factorization.

427303517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613119.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 427303517 is about 20671.3211237211. The cubic root of 427303517 is about 753.2031988428.

The spelling of 427303517 in words is "four hundred twenty-seven million, three hundred three thousand, five hundred seventeen".