1087252819 has 2 divisors, whose sum is σ = 1087252820. Its totient is φ = 1087252818.

The previous prime is 1087252741. The next prime is 1087252843. The reversal of 1087252819 is 9182527801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087252819 - 2⁹ = 1087252307 is a prime.

It is a super-2 number, since 2×1087252819² = 2364237384846893522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1087252319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543626409 + 543626410.

It is an arithmetic number, because the mean of its divisors is an integer number (543626410).

Almost surely, 2^1087252819 is an apocalyptic number.

1087252819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087252819 is an equidigital number, since it uses as much as digits as its factorization.

1087252819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 1087252819 is about 32973.5169340488. The cubic root of 1087252819 is about 1028.2771396072.

The spelling of 1087252819 in words is "one billion, eighty-seven million, two hundred fifty-two thousand, eight hundred nineteen".