1302152515 has 4 divisors (see below), whose sum is σ = 1562583024. Its totient is φ = 1041722008.

The previous prime is 1302152513. The next prime is 1302152557. The reversal of 1302152515 is 5152512031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5152512031 = 17 ⋅303088943.

It is a cyclic number.

It is not a de Polignac number, because 1302152515 - 2¹ = 1302152513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302152515.

It is not an unprimeable number, because it can be changed into a prime (1302152513) 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, 130215247 + ... + 130215256.

It is an arithmetic number, because the mean of its divisors is an integer number (390645756).

Almost surely, 2^1302152515 is an apocalyptic number.

1302152515 is a deficient number, since it is larger than the sum of its proper divisors (260430509).

1302152515 is an equidigital number, since it uses as much as digits as its factorization.

1302152515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260430508.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1302152515 is about 36085.3504209118. The cubic root of 1302152515 is about 1091.9949200187.

Adding to 1302152515 its reverse (5152512031), we get a palindrome (6454664546).

It can be divided in two parts, 13021 and 52515, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 1302152515 in words is "one billion, three hundred two million, one hundred fifty-two thousand, five hundred fifteen".