6342551 has 2 divisors, whose sum is σ = 6342552. Its totient is φ = 6342550.

The previous prime is 6342533. The next prime is 6342587. The reversal of 6342551 is 1552436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6342551 - 2⁶ = 6342487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6342551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6342521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171275 + 3171276.

It is an arithmetic number, because the mean of its divisors is an integer number (3171276).

Almost surely, 2^6342551 is an apocalyptic number.

6342551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6342551 is an equidigital number, since it uses as much as digits as its factorization.

6342551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 6342551 is about 2518.4421772199. The cubic root of 6342551 is about 185.1063522892.

Adding to 6342551 its reverse (1552436), we get a palindrome (7894987).

The spelling of 6342551 in words is "six million, three hundred forty-two thousand, five hundred fifty-one".