67256653 has 4 divisors (see below), whose sum is σ = 67303548. Its totient is φ = 67209760.

The previous prime is 67256647. The next prime is 67256659. The reversal of 67256653 is 35665276.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (67256647) and next prime (67256659).

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 56746089 = 3242^2 + 7533^2 .

It is a cyclic number.

It is not a de Polignac number, because 67256653 - 2¹⁷ = 67125581 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 (67256659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21226 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (16825887).

Almost surely, 2^67256653 is an apocalyptic number.

It is an amenable number.

67256653 is a deficient number, since it is larger than the sum of its proper divisors (46895).

67256653 is a wasteful number, since it uses less digits than its factorization.

67256653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46894.

The product of its digits is 226800, while the sum is 40.

The square root of 67256653 is about 8201.0153639656. The cubic root of 67256653 is about 406.6727604420.

The spelling of 67256653 in words is "sixty-seven million, two hundred fifty-six thousand, six hundred fifty-three".