4325621 has 2 divisors, whose sum is σ = 4325622. Its totient is φ = 4325620.

The previous prime is 4325617. The next prime is 4325627. The reversal of 4325621 is 1265234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 168100 = 2039^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4325621 - 2² = 4325617 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁴ + 2⁵ + 5³ + 6 + 2¹⁷ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4325627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162810 + 2162811.

It is an arithmetic number, because the mean of its divisors is an integer number (2162811).

Almost surely, 2^4325621 is an apocalyptic number.

It is an amenable number.

4325621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4325621 is an equidigital number, since it uses as much as digits as its factorization.

4325621 is an evil number, because the sum of its binary digits is even.

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

The square root of 4325621 is about 2079.8127319545. The cubic root of 4325621 is about 162.9356640727.

The spelling of 4325621 in words is "four million, three hundred twenty-five thousand, six hundred twenty-one".