1315350451 has 4 divisors (see below), whose sum is σ = 1315750792. Its totient is φ = 1314950112.

The previous prime is 1315350437. The next prime is 1315350539. The reversal of 1315350451 is 1540535131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1540535131 = 593 ⋅2597867.

It is a cyclic number.

It is not a de Polignac number, because 1315350451 - 2¹⁷ = 1315219379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315350431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195201 + ... + 201826.

It is an arithmetic number, because the mean of its divisors is an integer number (328937698).

Almost surely, 2^1315350451 is an apocalyptic number.

1315350451 is a deficient number, since it is larger than the sum of its proper divisors (400341).

1315350451 is an equidigital number, since it uses as much as digits as its factorization.

1315350451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400340.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1315350451 is about 36267.7604905514. The cubic root of 1315350451 is about 1095.6718216969.

Adding to 1315350451 its reverse (1540535131), we get a palindrome (2855885582).

The spelling of 1315350451 in words is "one billion, three hundred fifteen million, three hundred fifty thousand, four hundred fifty-one".