252065577543 has 16 divisors (see below), whose sum is σ = 374421018720. Its totient is φ = 149768406144.

The previous prime is 252065577523. The next prime is 252065577571. The reversal of 252065577543 is 345775560252.

It is not a de Polignac number, because 252065577543 - 2⁸ = 252065577287 is a prime.

It is a super-2 number, since 2×252065577543² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252065577503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111433696 + ... + 111435957.

It is an arithmetic number, because the mean of its divisors is an integer number (23401313670).

Almost surely, 2^252065577543 is an apocalyptic number.

252065577543 is a deficient number, since it is larger than the sum of its proper divisors (122355441177).

252065577543 is a wasteful number, since it uses less digits than its factorization.

252065577543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222869698.

The product of its (nonzero) digits is 8820000, while the sum is 51.

The spelling of 252065577543 in words is "two hundred fifty-two billion, sixty-five million, five hundred seventy-seven thousand, five hundred forty-three".