1315415051 has 2 divisors, whose sum is σ = 1315415052. Its totient is φ = 1315415050.

The previous prime is 1315415029. The next prime is 1315415077. The reversal of 1315415051 is 1505145131.

It is an a-pointer prime, because the next prime (1315415077) can be obtained adding 1315415051 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315415051 - 2⁶ = 1315414987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315415051.

It is not a weakly prime, because it can be changed into another prime (1315415081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657707525 + 657707526.

It is an arithmetic number, because the mean of its divisors is an integer number (657707526).

Almost surely, 2^1315415051 is an apocalyptic number.

1315415051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315415051 is an equidigital number, since it uses as much as digits as its factorization.

1315415051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1315415051 is about 36268.6510777558. The cubic root of 1315415051 is about 1095.6897584227.

The spelling of 1315415051 in words is "one billion, three hundred fifteen million, four hundred fifteen thousand, fifty-one".