1512213263 has 12 divisors (see below), whose sum is σ = 1704631464. Its totient is φ = 1330383600.

The previous prime is 1512213239. The next prime is 1512213289. The reversal of 1512213263 is 3623122151.

It is a happy number.

It is not a de Polignac number, because 1512213263 - 2¹⁰ = 1512212239 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512213163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60956 + ... + 82097.

It is an arithmetic number, because the mean of its divisors is an integer number (142052622).

Almost surely, 2^1512213263 is an apocalyptic number.

1512213263 is a deficient number, since it is larger than the sum of its proper divisors (192418201).

1512213263 is a wasteful number, since it uses less digits than its factorization.

1512213263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143126 (or 143095 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1512213263 is about 38887.1863600338. The cubic root of 1512213263 is about 1147.8126697513.

The spelling of 1512213263 in words is "one billion, five hundred twelve million, two hundred thirteen thousand, two hundred sixty-three".