4264621 has 2 divisors, whose sum is σ = 4264622. Its totient is φ = 4264620.

The previous prime is 4264619. The next prime is 4264627. The reversal of 4264621 is 1264624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4247721 + 16900 = 2061^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 4264621 - 2¹ = 4264619 is a prime.

Together with 4264619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4264627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2132310 + 2132311.

It is an arithmetic number, because the mean of its divisors is an integer number (2132311).

Almost surely, 2^4264621 is an apocalyptic number.

It is an amenable number.

4264621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4264621 is an equidigital number, since it uses as much as digits as its factorization.

4264621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 4264621 is about 2065.0958815513. The cubic root of 4264621 is about 162.1661279093.

The spelling of 4264621 in words is "four million, two hundred sixty-four thousand, six hundred twenty-one".