67125513 has 16 divisors (see below), whose sum is σ = 110155136. Its totient is φ = 35406720.

The previous prime is 67125497. The next prime is 67125529. The reversal of 67125513 is 31552176.

It is an interprime number because it is at equal distance from previous prime (67125497) and next prime (67125529).

It is not a de Polignac number, because 67125513 - 2⁴ = 67125497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67125533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122668 + ... + 123213.

It is an arithmetic number, because the mean of its divisors is an integer number (6884696).

Almost surely, 2^67125513 is an apocalyptic number.

It is an amenable number.

67125513 is a deficient number, since it is larger than the sum of its proper divisors (43029623).

67125513 is a wasteful number, since it uses less digits than its factorization.

67125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245904.

The product of its digits is 6300, while the sum is 30.

The square root of 67125513 is about 8193.0161112987. The cubic root of 67125513 is about 406.4082722789.

Adding to 67125513 its reverse (31552176), we get a palindrome (98677689).

The spelling of 67125513 in words is "sixty-seven million, one hundred twenty-five thousand, five hundred thirteen".