6470551 has 2 divisors, whose sum is σ = 6470552. Its totient is φ = 6470550.

The previous prime is 6470549. The next prime is 6470561. The reversal of 6470551 is 1550746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6470551 - 2¹ = 6470549 is a prime.

Together with 6470549, 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 (6470531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235275 + 3235276.

It is an arithmetic number, because the mean of its divisors is an integer number (3235276).

Almost surely, 2^6470551 is an apocalyptic number.

6470551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6470551 is an equidigital number, since it uses as much as digits as its factorization.

6470551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 6470551 is about 2543.7277763157. The cubic root of 6470551 is about 186.3432882512.

It can be divided in two parts, 6470 and 551, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6470551 in words is "six million, four hundred seventy thousand, five hundred fifty-one".