427332593 has 4 divisors (see below), whose sum is σ = 428921460. Its totient is φ = 425743728.

The previous prime is 427332569. The next prime is 427332637. The reversal of 427332593 is 395233724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 406748224 = 4537^2 + 20168^2 .

It is a cyclic number.

It is not a de Polignac number, because 427332593 - 2⁸ = 427332337 is a prime.

It is a super-2 number, since 2×427332593² = 365226290080207298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427332193) 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, 794030 + ... + 794567.

It is an arithmetic number, because the mean of its divisors is an integer number (107230365).

Almost surely, 2^427332593 is an apocalyptic number.

It is an amenable number.

427332593 is a deficient number, since it is larger than the sum of its proper divisors (1588867).

427332593 is a wasteful number, since it uses less digits than its factorization.

427332593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588866.

The product of its digits is 136080, while the sum is 38.

The square root of 427332593 is about 20672.0244049779. The cubic root of 427332593 is about 753.2202824369.

The spelling of 427332593 in words is "four hundred twenty-seven million, three hundred thirty-two thousand, five hundred ninety-three".