4266551 has 2 divisors, whose sum is σ = 4266552. Its totient is φ = 4266550.

The previous prime is 4266547. The next prime is 4266557. The reversal of 4266551 is 1556624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4266551 - 2² = 4266547 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4266557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133275 + 2133276.

It is an arithmetic number, because the mean of its divisors is an integer number (2133276).

Almost surely, 2^4266551 is an apocalyptic number.

4266551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4266551 is an equidigital number, since it uses as much as digits as its factorization.

4266551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 4266551 is about 2065.5631193454. The cubic root of 4266551 is about 162.1905875603.

The spelling of 4266551 in words is "four million, two hundred sixty-six thousand, five hundred fifty-one".