252021354532141 has 4 divisors (see below), whose sum is σ = 256152852147484. Its totient is φ = 247889856916800.

The previous prime is 252021354532097. The next prime is 252021354532153. The reversal of 252021354532141 is 141235453120252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94241477918025 + 157779876614116 = 9707805^2 + 12561046^2 .

It is a cyclic number.

It is not a de Polignac number, because 252021354532141 - 2⁴¹ = 249822331276589 is a prime.

It is a super-2 number, since 2×252021354532141² (a number of 30 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 = 252021354532094 and 252021354532103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252021354538141) 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, 2065748807580 + ... + 2065748807701.

It is an arithmetic number, because the mean of its divisors is an integer number (64038213036871).

Almost surely, 2^{252021354532141} is an apocalyptic number.

It is an amenable number.

252021354532141 is a deficient number, since it is larger than the sum of its proper divisors (4131497615343).

252021354532141 is an equidigital number, since it uses as much as digits as its factorization.

252021354532141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131497615342.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 252021354532141 in words is "two hundred fifty-two trillion, twenty-one billion, three hundred fifty-four million, five hundred thirty-two thousand, one hundred forty-one".