252420473 has 2 divisors, whose sum is σ = 252420474. Its totient is φ = 252420472.

The previous prime is 252420463. The next prime is 252420523. The reversal of 252420473 is 374024252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250493929 + 1926544 = 15827^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 252420473 - 2¹⁶ = 252354937 is a prime.

It is not a weakly prime, because it can be changed into another prime (252420433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126210236 + 126210237.

It is an arithmetic number, because the mean of its divisors is an integer number (126210237).

Almost surely, 2^252420473 is an apocalyptic number.

It is an amenable number.

252420473 is a deficient number, since it is larger than the sum of its proper divisors (1).

252420473 is an equidigital number, since it uses as much as digits as its factorization.

252420473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 252420473 is about 15887.7460012426. The cubic root of 252420473 is about 631.9870686146.

The spelling of 252420473 in words is "two hundred fifty-two million, four hundred twenty thousand, four hundred seventy-three".