1036642247 has 2 divisors, whose sum is σ = 1036642248. Its totient is φ = 1036642246.

The previous prime is 1036642219. The next prime is 1036642249. The reversal of 1036642247 is 7422466301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1036642247 - 2¹⁰ = 1036641223 is a prime.

Together with 1036642249, 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 (1036642249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518321123 + 518321124.

It is an arithmetic number, because the mean of its divisors is an integer number (518321124).

Almost surely, 2^1036642247 is an apocalyptic number.

1036642247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036642247 is an equidigital number, since it uses as much as digits as its factorization.

1036642247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1036642247 is about 32196.9291548123. The cubic root of 1036642247 is about 1012.0678631838.

The spelling of 1036642247 in words is "one billion, thirty-six million, six hundred forty-two thousand, two hundred forty-seven".