1315742473 has 2 divisors, whose sum is σ = 1315742474. Its totient is φ = 1315742472.

The previous prime is 1315742443. The next prime is 1315742503. The reversal of 1315742473 is 3742475131.

It is a balanced prime because it is at equal distance from previous prime (1315742443) and next prime (1315742503).

It can be written as a sum of positive squares in only one way, i.e., 1303715449 + 12027024 = 36107^2 + 3468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315742473 - 2¹³ = 1315734281 is a prime.

It is a super-3 number, since 3×1315742473³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1315742443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657871236 + 657871237.

It is an arithmetic number, because the mean of its divisors is an integer number (657871237).

Almost surely, 2^1315742473 is an apocalyptic number.

It is an amenable number.

1315742473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315742473 is an equidigital number, since it uses as much as digits as its factorization.

1315742473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 1315742473 is about 36273.1646399925. The cubic root of 1315742473 is about 1095.7806608265.

The spelling of 1315742473 in words is "one billion, three hundred fifteen million, seven hundred forty-two thousand, four hundred seventy-three".