6251272087 has 2 divisors, whose sum is σ = 6251272088. Its totient is φ = 6251272086.

The previous prime is 6251272081. The next prime is 6251272117. The reversal of 6251272087 is 7802721526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6251272087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6251272081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125636043 + 3125636044.

It is an arithmetic number, because the mean of its divisors is an integer number (3125636044).

Almost surely, 2^6251272087 is an apocalyptic number.

6251272087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6251272087 is an equidigital number, since it uses as much as digits as its factorization.

6251272087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 6251272087 is about 79064.9864794778. The cubic root of 6251272087 is about 1842.1407117379.

The spelling of 6251272087 in words is "six billion, two hundred fifty-one million, two hundred seventy-two thousand, eighty-seven".