427215235 has 8 divisors (see below), whose sum is σ = 516572496. Its totient is φ = 339162720.

The previous prime is 427215233. The next prime is 427215241. The reversal of 427215235 is 532512724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427215235 - 2¹ = 427215233 is a prime.

It is a super-2 number, since 2×427215235² = 365025714032210450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427215197 and 427215206.

It is not an unprimeable number, because it can be changed into a prime (427215233) 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, 325464 + ... + 326773.

It is an arithmetic number, because the mean of its divisors is an integer number (64571562).

Almost surely, 2^427215235 is an apocalyptic number.

427215235 is a deficient number, since it is larger than the sum of its proper divisors (89357261).

427215235 is a wasteful number, since it uses less digits than its factorization.

427215235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652373.

The product of its digits is 16800, while the sum is 31.

The square root of 427215235 is about 20669.1856394973. The cubic root of 427215235 is about 753.1513240341.

Adding to 427215235 its reverse (532512724), we get a palindrome (959727959).

The spelling of 427215235 in words is "four hundred twenty-seven million, two hundred fifteen thousand, two hundred thirty-five".