1512500001 has 4 divisors (see below), whose sum is σ = 2016666672. Its totient is φ = 1008333332.

The previous prime is 1512499993. The next prime is 1512500021. The reversal of 1512500001 is 1000052151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1512500001 - 2³ = 1512499993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1512500021) 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, 252083331 + ... + 252083336.

It is an arithmetic number, because the mean of its divisors is an integer number (504166668).

Almost surely, 2^1512500001 is an apocalyptic number.

It is an amenable number.

1512500001 is a deficient number, since it is larger than the sum of its proper divisors (504166671).

1512500001 is an equidigital number, since it uses as much as digits as its factorization.

1512500001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504166670.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1512500001 is about 38890.8729781166. The cubic root of 1512500001 is about 1147.8852125858.

Adding to 1512500001 its reverse (1000052151), we get a palindrome (2512552152).

The spelling of 1512500001 in words is "one billion, five hundred twelve million, five hundred thousand, one".