94949521 has 2 divisors, whose sum is σ = 94949522. Its totient is φ = 94949520.

The previous prime is 94949483. The next prime is 94949527. The reversal of 94949521 is 12594949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70308225 + 24641296 = 8385^2 + 4964^2 .

It is an emirp because it is prime and its reverse (12594949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94949521 - 2⁹ = 94949009 is a prime.

It is not a weakly prime, because it can be changed into another prime (94949527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47474760 + 47474761.

It is an arithmetic number, because the mean of its divisors is an integer number (47474761).

Almost surely, 2^94949521 is an apocalyptic number.

It is an amenable number.

94949521 is a deficient number, since it is larger than the sum of its proper divisors (1).

94949521 is an equidigital number, since it uses as much as digits as its factorization.

94949521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 94949521 is about 9744.2044826656. The cubic root of 94949521 is about 456.2094314088.

The spelling of 94949521 in words is "ninety-four million, nine hundred forty-nine thousand, five hundred twenty-one".