1316356501 has 2 divisors, whose sum is σ = 1316356502. Its totient is φ = 1316356500.

The previous prime is 1316356471. The next prime is 1316356523. The reversal of 1316356501 is 1056536131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214871025 + 101485476 = 34855^2 + 10074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316356501 - 2⁵ = 1316356469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316356901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658178250 + 658178251.

It is an arithmetic number, because the mean of its divisors is an integer number (658178251).

Almost surely, 2^1316356501 is an apocalyptic number.

It is an amenable number.

1316356501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316356501 is an equidigital number, since it uses as much as digits as its factorization.

1316356501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1316356501 is about 36281.6275957956. The cubic root of 1316356501 is about 1095.9510932077.

It can be divided in two parts, 131635 and 6501, that multiplied together give a triangular number (855759135 = T₄₁₃₇₀).

The spelling of 1316356501 in words is "one billion, three hundred sixteen million, three hundred fifty-six thousand, five hundred one".