252356000153221 has 8 divisors (see below), whose sum is σ = 258512184796824. Its totient is φ = 246199870759680.

The previous prime is 252356000153177. The next prime is 252356000153227. The reversal of 252356000153221 is 122351000653252.

It can be written as a sum of positive squares in 4 ways, for example, as 13465127504196 + 238890872649025 = 3669486^2 + 15456095^2 .

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 252356000153221 - 2⁷ = 252356000153093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252356000153227) 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, 4490226 + ... + 22910131.

It is an arithmetic number, because the mean of its divisors is an integer number (32314023099603).

Almost surely, 2^{252356000153221} is an apocalyptic number.

It is an amenable number.

252356000153221 is a deficient number, since it is larger than the sum of its proper divisors (6156184643603).

252356000153221 is a wasteful number, since it uses less digits than its factorization.

252356000153221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27625031.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 252356000153221 in words is "two hundred fifty-two trillion, three hundred fifty-six billion, one hundred fifty-three thousand, two hundred twenty-one".