6417623 has 2 divisors, whose sum is σ = 6417624. Its totient is φ = 6417622.

The previous prime is 6417599. The next prime is 6417629. The reversal of 6417623 is 3267146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6417623 is a prime.

It is equal to p₄₃₉₅₂₆ and since 6417623 and 439526 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6417629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208811 + 3208812.

It is an arithmetic number, because the mean of its divisors is an integer number (3208812).

Almost surely, 2^6417623 is an apocalyptic number.

6417623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6417623 is an equidigital number, since it uses as much as digits as its factorization.

6417623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 6417623 is about 2533.3027849035. The cubic root of 6417623 is about 185.8338111664.

The spelling of 6417623 in words is "six million, four hundred seventeen thousand, six hundred twenty-three".