1252452320253 has 12 divisors (see below), whose sum is σ = 1830894156000. Its totient is φ = 824908355016.

The previous prime is 1252452320221. The next prime is 1252452320263. The reversal of 1252452320253 is 3520232542521.

It is a happy number.

1252452320253 is a `hidden beast` number, since 1 + 2 + 524 + 52 + 32 + 0 + 2 + 53 = 666.

It is not a de Polignac number, because 1252452320253 - 2⁵ = 1252452320221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252452320263) 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, 838320753 + ... + 838322246.

It is an arithmetic number, because the mean of its divisors is an integer number (152574513000).

Almost surely, 2^{1252452320253} is an apocalyptic number.

It is an amenable number.

1252452320253 is a deficient number, since it is larger than the sum of its proper divisors (578441835747).

1252452320253 is a wasteful number, since it uses less digits than its factorization.

1252452320253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676643088 (or 1676643085 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 1252452320253 its reverse (3520232542521), we get a palindrome (4772684862774).

The spelling of 1252452320253 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, three hundred twenty thousand, two hundred fifty-three".