427265219 has 4 divisors (see below), whose sum is σ = 441048000. Its totient is φ = 413482440.

The previous prime is 427265177. The next prime is 427265261. The reversal of 427265219 is 912562724.

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

It is an interprime number because it is at equal distance from previous prime (427265177) and next prime (427265261).

It is a cyclic number.

It is not a de Polignac number, because 427265219 - 2¹⁶ = 427199683 is a prime.

It is a super-2 number, since 2×427265219² = 365111134734235922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427265269) 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, 6891344 + ... + 6891405.

It is an arithmetic number, because the mean of its divisors is an integer number (110262000).

Almost surely, 2^427265219 is an apocalyptic number.

427265219 is a deficient number, since it is larger than the sum of its proper divisors (13782781).

427265219 is a wasteful number, since it uses less digits than its factorization.

427265219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782780.

The product of its digits is 60480, while the sum is 38.

The square root of 427265219 is about 20670.3947470773. The cubic root of 427265219 is about 753.1806956830.

The spelling of 427265219 in words is "four hundred twenty-seven million, two hundred sixty-five thousand, two hundred nineteen".