1252452342535 has 4 divisors (see below), whose sum is σ = 1502942811048. Its totient is φ = 1001961874024.

The previous prime is 1252452342523. The next prime is 1252452342541. The reversal of 1252452342535 is 5352432542521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1252452342535 - 2⁵ = 1252452342503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252452342491 and 1252452342500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125245234249 + ... + 125245234258.

It is an arithmetic number, because the mean of its divisors is an integer number (375735702762).

Almost surely, 2^{1252452342535} is an apocalyptic number.

1252452342535 is a deficient number, since it is larger than the sum of its proper divisors (250490468513).

1252452342535 is an equidigital number, since it uses as much as digits as its factorization.

1252452342535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250490468512.

The product of its digits is 1440000, while the sum is 43.

The spelling of 1252452342535 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, three hundred forty-two thousand, five hundred thirty-five".