67040253 has 12 divisors (see below), whose sum is σ = 110669728. Its totient is φ = 38308680.

The previous prime is 67040243. The next prime is 67040261. The reversal of 67040253 is 35204076.

It is a happy number.

It is not a de Polignac number, because 67040253 - 2⁸ = 67039997 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 (67040203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532003 + ... + 532128.

Almost surely, 2^67040253 is an apocalyptic number.

67040253 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

67040253 is a deficient number, since it is larger than the sum of its proper divisors (43629475).

67040253 is a wasteful number, since it uses less digits than its factorization.

67040253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064144 (or 1064141 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 67040253 is about 8187.8112459924. The cubic root of 67040253 is about 406.2361318185.

The spelling of 67040253 in words is "sixty-seven million, forty thousand, two hundred fifty-three".