1316550047 has 2 divisors, whose sum is σ = 1316550048. Its totient is φ = 1316550046.

The previous prime is 1316550043. The next prime is 1316550073. The reversal of 1316550047 is 7400556131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316550047 - 2² = 1316550043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316549995 and 1316550022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316550043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658275023 + 658275024.

It is an arithmetic number, because the mean of its divisors is an integer number (658275024).

Almost surely, 2^1316550047 is an apocalyptic number.

1316550047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316550047 is an equidigital number, since it uses as much as digits as its factorization.

1316550047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1316550047 is about 36284.2947706029. The cubic root of 1316550047 is about 1096.0048037223.

The spelling of 1316550047 in words is "one billion, three hundred sixteen million, five hundred fifty thousand, forty-seven".