15034421 has 4 divisors (see below), whose sum is σ = 15047232. Its totient is φ = 15021612.

The previous prime is 15034417. The next prime is 15034427. The reversal of 15034421 is 12443051.

15034421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12443051 = 337 ⋅36923.

It is a cyclic number.

It is not a de Polignac number, because 15034421 - 2² = 15034417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15034393 and 15034402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15034427) 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, 4445 + ... + 7058.

It is an arithmetic number, because the mean of its divisors is an integer number (3761808).

Almost surely, 2^15034421 is an apocalyptic number.

It is an amenable number.

15034421 is a deficient number, since it is larger than the sum of its proper divisors (12811).

15034421 is a wasteful number, since it uses less digits than its factorization.

15034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810.

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

The square root of 15034421 is about 3877.4245318252. The cubic root of 15034421 is about 246.8097066232.

Adding to 15034421 its reverse (12443051), we get a palindrome (27477472).

The spelling of 15034421 in words is "fifteen million, thirty-four thousand, four hundred twenty-one".