75513151 has 8 divisors (see below), whose sum is σ = 87341184. Its totient is φ = 63945240.

The previous prime is 75513149. The next prime is 75513169. The reversal of 75513151 is 15131557.

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

It is a cyclic number.

It is not a de Polignac number, because 75513151 - 2¹ = 75513149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75513101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64405 + ... + 65566.

It is an arithmetic number, because the mean of its divisors is an integer number (10917648).

Almost surely, 2^75513151 is an apocalyptic number.

75513151 is a deficient number, since it is larger than the sum of its proper divisors (11828033).

75513151 is a wasteful number, since it uses less digits than its factorization.

75513151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130061.

The product of its digits is 2625, while the sum is 28.

The square root of 75513151 is about 8689.8303205529. The cubic root of 75513151 is about 422.6759436670.

The spelling of 75513151 in words is "seventy-five million, five hundred thirteen thousand, one hundred fifty-one".