253573 has 2 divisors, whose sum is σ = 253574. Its totient is φ = 253572.

The previous prime is 253567. The next prime is 253601. The reversal of 253573 is 375352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 39204 = 463^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 253573 - 2¹⁷ = 122501 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 5² + 5⁴ + 3¹⁰ + 7³ + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126786 + 126787.

It is an arithmetic number, because the mean of its divisors is an integer number (126787).

2²⁵³⁵⁷³ is an apocalyptic number.

It is an amenable number.

253573 is a deficient number, since it is larger than the sum of its proper divisors (1).

253573 is an equidigital number, since it uses as much as digits as its factorization.

253573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 25.

The square root of 253573 is about 503.5603240924. The cubic root of 253573 is about 63.2947471947.

The spelling of 253573 in words is "two hundred fifty-three thousand, five hundred seventy-three".