334541021 has 4 divisors (see below), whose sum is σ = 334649952. Its totient is φ = 334432092.

The previous prime is 334540993. The next prime is 334541029. The reversal of 334541021 is 120145433.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120145433 = 5323 ⋅22571.

It is a cyclic number.

It is not a de Polignac number, because 334541021 - 2¹⁴ = 334524637 is a prime.

It is a super-2 number, since 2×334541021² = 223835389463444882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334541029) 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, 49721 + ... + 56046.

It is an arithmetic number, because the mean of its divisors is an integer number (83662488).

Almost surely, 2^334541021 is an apocalyptic number.

It is an amenable number.

334541021 is a deficient number, since it is larger than the sum of its proper divisors (108931).

334541021 is a wasteful number, since it uses less digits than its factorization.

334541021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108930.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 334541021 is about 18290.4625693283. The cubic root of 334541021 is about 694.1976289668.

Adding to 334541021 its reverse (120145433), we get a palindrome (454686454).

The spelling of 334541021 in words is "three hundred thirty-four million, five hundred forty-one thousand, twenty-one".