34541021 has 4 divisors (see below), whose sum is σ = 34897212. Its totient is φ = 34184832.

The previous prime is 34541011. The next prime is 34541033. The reversal of 34541021 is 12014543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12014543 = 1409 ⋅8527.

It can be written as a sum of positive squares in 2 ways, for example, as 11978521 + 22562500 = 3461^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 34541021 - 2¹⁸ = 34278877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34540984 and 34541002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34541011) 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, 177950 + ... + 178143.

It is an arithmetic number, because the mean of its divisors is an integer number (8724303).

Almost surely, 2^34541021 is an apocalyptic number.

It is an amenable number.

34541021 is a deficient number, since it is larger than the sum of its proper divisors (356191).

34541021 is an equidigital number, since it uses as much as digits as its factorization.

34541021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356190.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 34541021 is about 5877.1609642752. The cubic root of 34541021 is about 325.6704769946.

Adding to 34541021 its reverse (12014543), we get a palindrome (46555564).

The spelling of 34541021 in words is "thirty-four million, five hundred forty-one thousand, twenty-one".