67530253 has 16 divisors (see below), whose sum is σ = 79530880. Its totient is φ = 56137536.

The previous prime is 67530191. The next prime is 67530257. The reversal of 67530253 is 35203576.

It is not a de Polignac number, because 67530253 - 2²¹ = 65433101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67530257) 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 in 15 ways as a sum of consecutive naturals, for example, 46543 + ... + 47971.

It is an arithmetic number, because the mean of its divisors is an integer number (4970680).

Almost surely, 2^67530253 is an apocalyptic number.

It is an amenable number.

67530253 is a deficient number, since it is larger than the sum of its proper divisors (12000627).

67530253 is a wasteful number, since it uses less digits than its factorization.

67530253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 67530253 is about 8217.6792952755. The cubic root of 67530253 is about 407.2234624972.

The spelling of 67530253 in words is "sixty-seven million, five hundred thirty thousand, two hundred fifty-three".