1252002541513 has 4 divisors (see below), whose sum is σ = 1252101362688. Its totient is φ = 1251903720340.

The previous prime is 1252002541501. The next prime is 1252002541547. The reversal of 1252002541513 is 3151452002521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252002541513 is a prime.

It is a super-2 number, since 2×1252002541513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252002541213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49391581 + ... + 49416922.

It is an arithmetic number, because the mean of its divisors is an integer number (313025340672).

Almost surely, 2^{1252002541513} is an apocalyptic number.

It is an amenable number.

1252002541513 is a deficient number, since it is larger than the sum of its proper divisors (98821175).

1252002541513 is an equidigital number, since it uses as much as digits as its factorization.

1252002541513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98821174.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1252002541513 in words is "one trillion, two hundred fifty-two billion, two million, five hundred forty-one thousand, five hundred thirteen".