252551326050989 has 4 divisors (see below), whose sum is σ = 288630086915424. Its totient is φ = 216472565186556.

The previous prime is 252551326050937. The next prime is 252551326051051. The reversal of 252551326050989 is 989050623155252.

252551326050989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252551326050989 - 2¹² = 252551326046893 is a prime.

It is a super-2 number, since 2×252551326050989² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252551326050889) 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, 18039380432207 + ... + 18039380432220.

It is an arithmetic number, because the mean of its divisors is an integer number (72157521728856).

Almost surely, 2^{252551326050989} is an apocalyptic number.

It is an amenable number.

252551326050989 is a deficient number, since it is larger than the sum of its proper divisors (36078760864435).

252551326050989 is an equidigital number, since it uses as much as digits as its factorization.

252551326050989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36078760864434.

The product of its (nonzero) digits is 58320000, while the sum is 62.

The spelling of 252551326050989 in words is "two hundred fifty-two trillion, five hundred fifty-one billion, three hundred twenty-six million, fifty thousand, nine hundred eighty-nine".