1086252949 has 2 divisors, whose sum is σ = 1086252950. Its totient is φ = 1086252948.

The previous prime is 1086252943. The next prime is 1086252983. The reversal of 1086252949 is 9492526801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790172100 + 296080849 = 28110^2 + 17207^2 .

It is an emirp because it is prime and its reverse (9492526801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086252949 - 2⁷ = 1086252821 is a prime.

It is a super-2 number, since 2×1086252949² = 2359890938422393202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1086252899 and 1086252908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086252943) 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, 543126474 + 543126475.

It is an arithmetic number, because the mean of its divisors is an integer number (543126475).

Almost surely, 2^1086252949 is an apocalyptic number.

It is an amenable number.

1086252949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086252949 is an equidigital number, since it uses as much as digits as its factorization.

1086252949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1086252949 is about 32958.3517336653. The cubic root of 1086252949 is about 1027.9618315276.

The spelling of 1086252949 in words is "one billion, eighty-six million, two hundred fifty-two thousand, nine hundred forty-nine".