1442501253 has 6 divisors (see below), whose sum is σ = 2083612934. Its totient is φ = 961667496.

The previous prime is 1442501233. The next prime is 1442501257. The reversal of 1442501253 is 3521052441.

It can be written as a sum of positive squares in only one way, i.e., 1283287329 + 159213924 = 35823^2 + 12618^2 .

It is not a de Polignac number, because 1442501253 - 2¹⁰ = 1442500229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442501257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80138950 + ... + 80138967.

Almost surely, 2^1442501253 is an apocalyptic number.

It is an amenable number.

1442501253 is a deficient number, since it is larger than the sum of its proper divisors (641111681).

1442501253 is a wasteful number, since it uses less digits than its factorization.

1442501253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160277923 (or 160277920 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1442501253 is about 37980.2745250742. The cubic root of 1442501253 is about 1129.8966812368.

Adding to 1442501253 its reverse (3521052441), we get a palindrome (4963553694).

The spelling of 1442501253 in words is "one billion, four hundred forty-two million, five hundred one thousand, two hundred fifty-three".