252023125553221 has 8 divisors (see below), whose sum is σ = 274940005348224. Its totient is φ = 229107193518720.

The previous prime is 252023125553201. The next prime is 252023125553263. The reversal of 252023125553221 is 122355521320252.

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

It is not a de Polignac number, because 252023125553221 - 2¹¹ = 252023125551173 is a prime.

It is a super-2 number, since 2×252023125553221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252023125553201) 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, 236384061 + ... + 237447826.

It is an arithmetic number, because the mean of its divisors is an integer number (34367500668528).

Almost surely, 2^{252023125553221} is an apocalyptic number.

It is an amenable number.

252023125553221 is a deficient number, since it is larger than the sum of its proper divisors (22916879795003).

252023125553221 is a wasteful number, since it uses less digits than its factorization.

252023125553221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473880251.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 252023125553221 its reverse (122355521320252), we get a palindrome (374378646873473).

The spelling of 252023125553221 in words is "two hundred fifty-two trillion, twenty-three billion, one hundred twenty-five million, five hundred fifty-three thousand, two hundred twenty-one".