427352109 has 16 divisors (see below), whose sum is σ = 591012480. Its totient is φ = 274449600.

The previous prime is 427352099. The next prime is 427352111. The reversal of 427352109 is 901253724.

It is not a de Polignac number, because 427352109 - 2⁸ = 427351853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427352109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427352509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7849 + ... + 30270.

It is an arithmetic number, because the mean of its divisors is an integer number (36938280).

Almost surely, 2^427352109 is an apocalyptic number.

It is an amenable number.

427352109 is a deficient number, since it is larger than the sum of its proper divisors (163660371).

427352109 is a wasteful number, since it uses less digits than its factorization.

427352109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38260.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 427352109 is about 20672.4964385050. The cubic root of 427352109 is about 753.2317486216.

It can be divided in two parts, 42735 and 2109, that added together give a palindrome (44844).

The spelling of 427352109 in words is "four hundred twenty-seven million, three hundred fifty-two thousand, one hundred nine".