252437473 has 2 divisors, whose sum is σ = 252437474. Its totient is φ = 252437472.

The previous prime is 252437467. The next prime is 252437501. The reversal of 252437473 is 374734252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222099409 + 30338064 = 14903^2 + 5508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252437473 is a prime.

It is not a weakly prime, because it can be changed into another prime (252437453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126218736 + 126218737.

It is an arithmetic number, because the mean of its divisors is an integer number (126218737).

Almost surely, 2^252437473 is an apocalyptic number.

It is an amenable number.

252437473 is a deficient number, since it is larger than the sum of its proper divisors (1).

252437473 is an equidigital number, since it uses as much as digits as its factorization.

252437473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 37.

The square root of 252437473 is about 15888.2809957528. The cubic root of 252437473 is about 632.0012559728.

The spelling of 252437473 in words is "two hundred fifty-two million, four hundred thirty-seven thousand, four hundred seventy-three".