94751521 has 4 divisors (see below), whose sum is σ = 94780672. Its totient is φ = 94722372.

The previous prime is 94751507. The next prime is 94751551. The reversal of 94751521 is 12515749.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 94751521 - 2¹⁵ = 94718753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94751551) 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 3 ways as a sum of consecutive naturals, for example, 8985 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (23695168).

Almost surely, 2^94751521 is an apocalyptic number.

It is an amenable number.

94751521 is a deficient number, since it is larger than the sum of its proper divisors (29151).

94751521 is a wasteful number, since it uses less digits than its factorization.

94751521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29150.

The product of its digits is 12600, while the sum is 34.

The square root of 94751521 is about 9734.0392951744. The cubic root of 94751521 is about 455.8920967244.

The spelling of 94751521 in words is "ninety-four million, seven hundred fifty-one thousand, five hundred twenty-one".