1252531034351 has 4 divisors (see below), whose sum is σ = 1252547328312. Its totient is φ = 1252514740392.

The previous prime is 1252531034297. The next prime is 1252531034353. The reversal of 1252531034351 is 1534301352521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252531034351 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 (1252531034353) 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, 8031125 + ... + 8185598.

It is an arithmetic number, because the mean of its divisors is an integer number (313136832078).

Almost surely, 2^{1252531034351} is an apocalyptic number.

1252531034351 is a deficient number, since it is larger than the sum of its proper divisors (16293961).

1252531034351 is an equidigital number, since it uses as much as digits as its factorization.

1252531034351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16293960.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1252531034351 its reverse (1534301352521), we get a palindrome (2786832386872).

The spelling of 1252531034351 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-one million, thirty-four thousand, three hundred fifty-one".