5651050081 has 2 divisors, whose sum is σ = 5651050082. Its totient is φ = 5651050080.

The previous prime is 5651050073. The next prime is 5651050169. The reversal of 5651050081 is 1800501565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4855302400 + 795747681 = 69680^2 + 28209^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651050081 - 2³ = 5651050073 is a prime.

It is a super-2 number, since 2×5651050081² = 63868734035940213122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5651050381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825525040 + 2825525041.

It is an arithmetic number, because the mean of its divisors is an integer number (2825525041).

Almost surely, 2^5651050081 is an apocalyptic number.

It is an amenable number.

5651050081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651050081 is an equidigital number, since it uses as much as digits as its factorization.

5651050081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 5651050081 is about 75173.4666022527. The cubic root of 5651050081 is about 1781.1878282336.

The spelling of 5651050081 in words is "five billion, six hundred fifty-one million, fifty thousand, eighty-one".