5421907 has 2 divisors, whose sum is σ = 5421908. Its totient is φ = 5421906.

The previous prime is 5421893. The next prime is 5421919. The reversal of 5421907 is 7091245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5421907 - 2¹¹ = 5419859 is a prime.

5421907 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5421947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710953 + 2710954.

It is an arithmetic number, because the mean of its divisors is an integer number (2710954).

Almost surely, 2^5421907 is an apocalyptic number.

5421907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421907 is an equidigital number, since it uses as much as digits as its factorization.

5421907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5421907 is about 2328.4988726645. The cubic root of 5421907 is about 175.6779903253.

It can be divided in two parts, 5421 and 907, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 5421907 in words is "five million, four hundred twenty-one thousand, nine hundred seven".