1515352073 has 2 divisors, whose sum is σ = 1515352074. Its totient is φ = 1515352072.

The previous prime is 1515352039. The next prime is 1515352099. The reversal of 1515352073 is 3702535151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288307449 + 227044624 = 35893^2 + 15068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1515352073 - 2²⁸ = 1246916617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1515352373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757676036 + 757676037.

It is an arithmetic number, because the mean of its divisors is an integer number (757676037).

Almost surely, 2^1515352073 is an apocalyptic number.

It is an amenable number.

1515352073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1515352073 is an equidigital number, since it uses as much as digits as its factorization.

1515352073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 1515352073 is about 38927.5233350389. The cubic root of 1515352073 is about 1148.6062694732.

The spelling of 1515352073 in words is "one billion, five hundred fifteen million, three hundred fifty-two thousand, seventy-three".