1934521 has 2 divisors, whose sum is σ = 1934522. Its totient is φ = 1934520.

The previous prime is 1934519. The next prime is 1934531. The reversal of 1934521 is 1254391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 346921 = 1260^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1934521 - 2¹ = 1934519 is a prime.

Together with 1934519, it forms a pair of twin primes.

1934521 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1934501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967260 + 967261.

It is an arithmetic number, because the mean of its divisors is an integer number (967261).

2^1934521 is an apocalyptic number.

It is an amenable number.

1934521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934521 is an equidigital number, since it uses as much as digits as its factorization.

1934521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1934521 is about 1390.8705906733. The cubic root of 1934521 is about 124.6018478118.

The spelling of 1934521 in words is "one million, nine hundred thirty-four thousand, five hundred twenty-one".