3240551 has 2 divisors, whose sum is σ = 3240552. Its totient is φ = 3240550.

The previous prime is 3240529. The next prime is 3240553. The reversal of 3240551 is 1550423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3240551 - 2¹⁸ = 2978407 is a prime.

Together with 3240553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620275 + 1620276.

It is an arithmetic number, because the mean of its divisors is an integer number (1620276).

Almost surely, 2^3240551 is an apocalyptic number.

3240551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240551 is an equidigital number, since it uses as much as digits as its factorization.

3240551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3240551 is about 1800.1530490489. The cubic root of 3240551 is about 147.9811121501.

Adding to 3240551 its reverse (1550423), we get a palindrome (4790974).

The spelling of 3240551 in words is "three million, two hundred forty thousand, five hundred fifty-one".