253580473 has 2 divisors, whose sum is σ = 253580474. Its totient is φ = 253580472.

The previous prime is 253580471. The next prime is 253580507. The reversal of 253580473 is 374085352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234457344 + 19123129 = 15312^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 253580473 - 2¹ = 253580471 is a prime.

Together with 253580471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253580471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126790236 + 126790237.

It is an arithmetic number, because the mean of its divisors is an integer number (126790237).

Almost surely, 2^253580473 is an apocalyptic number.

It is an amenable number.

253580473 is a deficient number, since it is larger than the sum of its proper divisors (1).

253580473 is an equidigital number, since it uses as much as digits as its factorization.

253580473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 253580473 is about 15924.2102786920. The cubic root of 253580473 is about 632.9536897090.

The spelling of 253580473 in words is "two hundred fifty-three million, five hundred eighty thousand, four hundred seventy-three".