3248621 has 2 divisors, whose sum is σ = 3248622. Its totient is φ = 3248620.

The previous prime is 3248617. The next prime is 3248653. The reversal of 3248621 is 1268423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3204100 + 44521 = 1790^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 3248621 - 2² = 3248617 is a prime.

It is a super-3 number, since 3×3248621³ (a number of 21 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3244621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624310 + 1624311.

It is an arithmetic number, because the mean of its divisors is an integer number (1624311).

Almost surely, 2^3248621 is an apocalyptic number.

It is an amenable number.

3248621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3248621 is an equidigital number, since it uses as much as digits as its factorization.

3248621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 3248621 is about 1802.3931313673. The cubic root of 3248621 is about 148.1038502921.

The spelling of 3248621 in words is "three million, two hundred forty-eight thousand, six hundred twenty-one".