2046197521 has 2 divisors, whose sum is σ = 2046197522. Its totient is φ = 2046197520.

The previous prime is 2046197477. The next prime is 2046197539. The reversal of 2046197521 is 1257916402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1441037521 + 605160000 = 37961^2 + 24600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2046197521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2046197591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023098760 + 1023098761.

It is an arithmetic number, because the mean of its divisors is an integer number (1023098761).

Almost surely, 2^2046197521 is an apocalyptic number.

It is an amenable number.

2046197521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046197521 is an equidigital number, since it uses as much as digits as its factorization.

2046197521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2046197521 is about 45234.9148446197. The cubic root of 2046197521 is about 1269.5481727094.

The spelling of 2046197521 in words is "two billion, forty-six million, one hundred ninety-seven thousand, five hundred twenty-one".