1048866251 has 2 divisors, whose sum is σ = 1048866252. Its totient is φ = 1048866250.

The previous prime is 1048866233. The next prime is 1048866271. The reversal of 1048866251 is 1526688401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048866251 is a prime.

It is a super-2 number, since 2×1048866251² = 2200240824973590002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1048866199 and 1048866208.

It is not a weakly prime, because it can be changed into another prime (1048866211) 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, 524433125 + 524433126.

It is an arithmetic number, because the mean of its divisors is an integer number (524433126).

Almost surely, 2^1048866251 is an apocalyptic number.

1048866251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048866251 is an equidigital number, since it uses as much as digits as its factorization.

1048866251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1048866251 is about 32386.2046402477. The cubic root of 1048866251 is about 1016.0304033697.

The spelling of 1048866251 in words is "one billion, forty-eight million, eight hundred sixty-six thousand, two hundred fifty-one".