252730873 has 2 divisors, whose sum is σ = 252730874. Its totient is φ = 252730872.

The previous prime is 252730811. The next prime is 252730883. The reversal of 252730873 is 378037252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173396224 + 79334649 = 13168^2 + 8907^2 .

It is a cyclic number.

It is not a de Polignac number, because 252730873 - 2¹³ = 252722681 is a prime.

It is not a weakly prime, because it can be changed into another prime (252730883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126365436 + 126365437.

It is an arithmetic number, because the mean of its divisors is an integer number (126365437).

Almost surely, 2^252730873 is an apocalyptic number.

It is an amenable number.

252730873 is a deficient number, since it is larger than the sum of its proper divisors (1).

252730873 is an equidigital number, since it uses as much as digits as its factorization.

252730873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 252730873 is about 15897.5115348283. The cubic root of 252730873 is about 632.2460127875.

The spelling of 252730873 in words is "two hundred fifty-two million, seven hundred thirty thousand, eight hundred seventy-three".