427157 has 4 divisors (see below), whose sum is σ = 428736. Its totient is φ = 425580.

The previous prime is 427151. The next prime is 427169. The reversal of 427157 is 751724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427157 - 2¹² = 423061 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 (427151) 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, 269 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (107184).

2⁴²⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

427157 is a deficient number, since it is larger than the sum of its proper divisors (1579).

427157 is a wasteful number, since it uses less digits than its factorization.

427157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its digits is 1960, while the sum is 26.

The square root of 427157 is about 653.5724902411. The cubic root of 427157 is about 75.3117101035.

The spelling of 427157 in words is "four hundred twenty-seven thousand, one hundred fifty-seven".