34557 has 4 divisors (see below), whose sum is σ = 46080. Its totient is φ = 23036.

The previous prime is 34549. The next prime is 34583. The reversal of 34557 is 75543.

34557 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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 34557 - 2³ = 34549 is a prime.

It is a D-number.

34557 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34537) 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, 5757 + ... + 5762.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2³⁴⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

34557 is a deficient number, since it is larger than the sum of its proper divisors (11523).

34557 is a wasteful number, since it uses less digits than its factorization.

34557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522.

The product of its digits is 2100, while the sum is 24.

The square root of 34557 is about 185.8951317275. The cubic root of 34557 is about 32.5720688657.

It can be divided in two parts, 3 and 4557, that added together give a triangular number (4560 = T₉₅).

The spelling of 34557 in words is "thirty-four thousand, five hundred fifty-seven".