3240042551 has 2 divisors, whose sum is σ = 3240042552. Its totient is φ = 3240042550.

The previous prime is 3240042539. The next prime is 3240042557. The reversal of 3240042551 is 1552400423.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3240042551 - 2¹⁸ = 3239780407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3240042551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240042557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620021275 + 1620021276.

It is an arithmetic number, because the mean of its divisors is an integer number (1620021276).

Almost surely, 2^3240042551 is an apocalyptic number.

3240042551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240042551 is an equidigital number, since it uses as much as digits as its factorization.

3240042551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3240042551 is about 56921.3716542390. The cubic root of 3240042551 is about 1479.7337223347.

Adding to 3240042551 its reverse (1552400423), we get a palindrome (4792442974).

The spelling of 3240042551 in words is "three billion, two hundred forty million, forty-two thousand, five hundred fifty-one".