252780302851 has 8 divisors (see below), whose sum is σ = 260176452800. Its totient is φ = 245489063040.

The previous prime is 252780302839. The next prime is 252780302909. The reversal of 252780302851 is 158203087252.

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

It is a cyclic number.

It is not a de Polignac number, because 252780302851 - 2⁹ = 252780302339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252780302798 and 252780302807.

It is not an unprimeable number, because it can be changed into a prime (252780302821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26222646 + ... + 26232283.

It is an arithmetic number, because the mean of its divisors is an integer number (32522056600).

Almost surely, 2^252780302851 is an apocalyptic number.

252780302851 is a deficient number, since it is larger than the sum of its proper divisors (7396149949).

252780302851 is an equidigital number, since it uses as much as digits as its factorization.

252780302851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52455069.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 252780302851 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred two thousand, eight hundred fifty-one".