94113521 has 2 divisors, whose sum is σ = 94113522. Its totient is φ = 94113520.

The previous prime is 94113511. The next prime is 94113563. The reversal of 94113521 is 12531149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69472225 + 24641296 = 8335^2 + 4964^2 .

It is an emirp because it is prime and its reverse (12531149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94113521 - 2⁶ = 94113457 is a prime.

It is not a weakly prime, because it can be changed into another prime (94113511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47056760 + 47056761.

It is an arithmetic number, because the mean of its divisors is an integer number (47056761).

Almost surely, 2^94113521 is an apocalyptic number.

It is an amenable number.

94113521 is a deficient number, since it is larger than the sum of its proper divisors (1).

94113521 is an equidigital number, since it uses as much as digits as its factorization.

94113521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 94113521 is about 9701.2123469183. The cubic root of 94113521 is about 454.8665566891.

The spelling of 94113521 in words is "ninety-four million, one hundred thirteen thousand, five hundred twenty-one".