1500012253 has 4 divisors (see below), whose sum is σ = 1500129468. Its totient is φ = 1499895040.

The previous prime is 1500012193. The next prime is 1500012287. The reversal of 1500012253 is 3522100051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3522100051 = 113 ⋅31169027.

It can be written as a sum of positive squares in 2 ways, for example, as 446815044 + 1053197209 = 21138^2 + 32453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500012253 - 2⁹ = 1500011741 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 1500012253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500012053) 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, 36676 + ... + 65917.

It is an arithmetic number, because the mean of its divisors is an integer number (375032367).

Almost surely, 2^1500012253 is an apocalyptic number.

It is an amenable number.

1500012253 is a deficient number, since it is larger than the sum of its proper divisors (117215).

1500012253 is a wasteful number, since it uses less digits than its factorization.

1500012253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117214.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1500012253 is about 38729.9916473009. The cubic root of 1500012253 is about 1144.7173594745.

The spelling of 1500012253 in words is "one billion, five hundred million, twelve thousand, two hundred fifty-three".