1512531201 has 4 divisors (see below), whose sum is σ = 2016708272. Its totient is φ = 1008354132.

The previous prime is 1512531193. The next prime is 1512531211. The reversal of 1512531201 is 1021352151.

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 not a de Polignac number, because 1512531201 - 2³ = 1512531193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1512531211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252088531 + ... + 252088536.

It is an arithmetic number, because the mean of its divisors is an integer number (504177068).

Almost surely, 2^1512531201 is an apocalyptic number.

It is an amenable number.

1512531201 is a deficient number, since it is larger than the sum of its proper divisors (504177071).

1512531201 is an equidigital number, since it uses as much as digits as its factorization.

1512531201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504177070.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1512531201 is about 38891.2740984401. The cubic root of 1512531201 is about 1147.8931054281.

Adding to 1512531201 its reverse (1021352151), we get a palindrome (2533883352).

It can be divided in two parts, 151 and 2531201, that added together give a palindrome (2531352).

The spelling of 1512531201 in words is "one billion, five hundred twelve million, five hundred thirty-one thousand, two hundred one".