2057447501 has 2 divisors, whose sum is σ = 2057447502. Its totient is φ = 2057447500.

The previous prime is 2057447479. The next prime is 2057447519. The reversal of 2057447501 is 1057447502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062108100 + 995339401 = 32590^2 + 31549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057447501 - 2¹⁰ = 2057446477 is a prime.

It is a super-2 number, since 2×2057447501² = 8466180438742290002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057447521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028723750 + 1028723751.

It is an arithmetic number, because the mean of its divisors is an integer number (1028723751).

Almost surely, 2^2057447501 is an apocalyptic number.

It is an amenable number.

2057447501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057447501 is an equidigital number, since it uses as much as digits as its factorization.

2057447501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 2057447501 is about 45359.0950196320. The cubic root of 2057447501 is about 1271.8705774353.

Subtracting from 2057447501 its reverse (1057447502), we obtain a palindrome (999999999).

The spelling of 2057447501 in words is "two billion, fifty-seven million, four hundred forty-seven thousand, five hundred one".