67531525401 has 8 divisors (see below), whose sum is σ = 90494507200. Its totient is φ = 44794780272.

The previous prime is 67531525387. The next prime is 67531525403. The reversal of 67531525401 is 10452513576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67531525401 - 2⁷ = 67531525273 is a prime.

It is a super-3 number, since 3×67531525401³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67531525401.

It is not an unprimeable number, because it can be changed into a prime (67531525403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56558470 + ... + 56559663.

It is an arithmetic number, because the mean of its divisors is an integer number (11311813400).

Almost surely, 2^67531525401 is an apocalyptic number.

It is an amenable number.

67531525401 is a deficient number, since it is larger than the sum of its proper divisors (22962981799).

67531525401 is a wasteful number, since it uses less digits than its factorization.

67531525401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113118335.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 67531525401 in words is "sixty-seven billion, five hundred thirty-one million, five hundred twenty-five thousand, four hundred one".