949061521 has 2 divisors, whose sum is σ = 949061522. Its totient is φ = 949061520.

The previous prime is 949061411. The next prime is 949061527. The reversal of 949061521 is 125160949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946239121 + 2822400 = 30761^2 + 1680^2 .

It is an emirp because it is prime and its reverse (125160949) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949061521 is a prime.

It is not a weakly prime, because it can be changed into another prime (949061527) 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 as a sum of consecutive naturals, namely, 474530760 + 474530761.

It is an arithmetic number, because the mean of its divisors is an integer number (474530761).

Almost surely, 2^949061521 is an apocalyptic number.

It is an amenable number.

949061521 is a deficient number, since it is larger than the sum of its proper divisors (1).

949061521 is an equidigital number, since it uses as much as digits as its factorization.

949061521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 949061521 is about 30806.8421134007. The cubic root of 949061521 is about 982.7237572413.

The spelling of 949061521 in words is "nine hundred forty-nine million, sixty-one thousand, five hundred twenty-one".