252121550435 has 8 divisors (see below), whose sum is σ = 302651774016. Its totient is φ = 201626631360.

The previous prime is 252121550413. The next prime is 252121550467. The reversal of 252121550435 is 534055121252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252121550435 - 2⁶ = 252121550371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252121550395 and 252121550404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8810411 + ... + 8838980.

It is an arithmetic number, because the mean of its divisors is an integer number (37831471752).

Almost surely, 2^252121550435 is an apocalyptic number.

252121550435 is a deficient number, since it is larger than the sum of its proper divisors (50530223581).

252121550435 is a wasteful number, since it uses less digits than its factorization.

252121550435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17652253.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 252121550435 its reverse (534055121252), we get a palindrome (786176671687).

The spelling of 252121550435 in words is "two hundred fifty-two billion, one hundred twenty-one million, five hundred fifty thousand, four hundred thirty-five".