4251287101 has 2 divisors, whose sum is σ = 4251287102. Its totient is φ = 4251287100.

The previous prime is 4251287023. The next prime is 4251287123. The reversal of 4251287101 is 1017821524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4146716025 + 104571076 = 64395^2 + 10226^2 .

It is a cyclic number.

It is not a de Polignac number, because 4251287101 - 2⁷ = 4251286973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4251287401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125643550 + 2125643551.

It is an arithmetic number, because the mean of its divisors is an integer number (2125643551).

Almost surely, 2^4251287101 is an apocalyptic number.

It is an amenable number.

4251287101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251287101 is an equidigital number, since it uses as much as digits as its factorization.

4251287101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 4251287101 is about 65201.8949187828. The cubic root of 4251287101 is about 1619.9694020792.

The spelling of 4251287101 in words is "four billion, two hundred fifty-one million, two hundred eighty-seven thousand, one hundred one".