1252341544253 has 4 divisors (see below), whose sum is σ = 1252355733948. Its totient is φ = 1252327354560.

The previous prime is 1252341544247. The next prime is 1252341544313. The reversal of 1252341544253 is 3524451432521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1211489858329 + 40851685924 = 1100677^2 + 202118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252341544253 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 1252341544253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252341543253) 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, 6961628 + ... + 7139253.

It is an arithmetic number, because the mean of its divisors is an integer number (313088933487).

Almost surely, 2^{1252341544253} is an apocalyptic number.

It is an amenable number.

1252341544253 is a deficient number, since it is larger than the sum of its proper divisors (14189695).

1252341544253 is an equidigital number, since it uses as much as digits as its factorization.

1252341544253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14189694.

The product of its digits is 576000, while the sum is 41.

Adding to 1252341544253 its reverse (3524451432521), we get a palindrome (4776792976774).

The spelling of 1252341544253 in words is "one trillion, two hundred fifty-two billion, three hundred forty-one million, five hundred forty-four thousand, two hundred fifty-three".