67256525 has 24 divisors (see below), whose sum is σ = 96672384. Its totient is φ = 45460800.

The previous prime is 67256513. The next prime is 67256551. The reversal of 67256525 is 52565276.

It is not a de Polignac number, because 67256525 - 2¹² = 67252429 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9719 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (4028016).

Almost surely, 2^67256525 is an apocalyptic number.

It is an amenable number.

67256525 is a deficient number, since it is larger than the sum of its proper divisors (29415859).

67256525 is a wasteful number, since it uses less digits than its factorization.

67256525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501 (or 5496 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 67256525 is about 8201.0075600502. The cubic root of 67256525 is about 406.6725024544.

The spelling of 67256525 in words is "sixty-seven million, two hundred fifty-six thousand, five hundred twenty-five".