250252120687 has 2 divisors, whose sum is σ = 250252120688. Its totient is φ = 250252120686.

The previous prime is 250252120631. The next prime is 250252120721. The reversal of 250252120687 is 786021252052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250252120687 is a prime.

It is a super-2 number, since 2×250252120687² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250252120607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125126060343 + 125126060344.

It is an arithmetic number, because the mean of its divisors is an integer number (125126060344).

Almost surely, 2^250252120687 is an apocalyptic number.

250252120687 is a deficient number, since it is larger than the sum of its proper divisors (1).

250252120687 is an equidigital number, since it uses as much as digits as its factorization.

250252120687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 250252120687 in words is "two hundred fifty billion, two hundred fifty-two million, one hundred twenty thousand, six hundred eighty-seven".