252611008435 has 4 divisors (see below), whose sum is σ = 303133210128. Its totient is φ = 202088806744.

The previous prime is 252611008421. The next prime is 252611008439. The reversal of 252611008435 is 534800116252.

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 252611008435 - 2¹¹ = 252611006387 is a prime.

It is a super-2 number, since 2×252611008435² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252611008394 and 252611008403.

It is not an unprimeable number, because it can be changed into a prime (252611008439) 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, 25261100839 + ... + 25261100848.

It is an arithmetic number, because the mean of its divisors is an integer number (75783302532).

Almost surely, 2^252611008435 is an apocalyptic number.

252611008435 is a deficient number, since it is larger than the sum of its proper divisors (50522201693).

252611008435 is an equidigital number, since it uses as much as digits as its factorization.

252611008435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50522201692.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 252611008435 in words is "two hundred fifty-two billion, six hundred eleven million, eight thousand, four hundred thirty-five".