1048287391 has 2 divisors, whose sum is σ = 1048287392. Its totient is φ = 1048287390.

The previous prime is 1048287377. The next prime is 1048287407. The reversal of 1048287391 is 1937828401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1048287391 - 2⁷ = 1048287263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048287311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524143695 + 524143696.

It is an arithmetic number, because the mean of its divisors is an integer number (524143696).

Almost surely, 2^1048287391 is an apocalyptic number.

1048287391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048287391 is an equidigital number, since it uses as much as digits as its factorization.

1048287391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1048287391 is about 32377.2665770290. The cubic root of 1048287391 is about 1015.8434562453.

The spelling of 1048287391 in words is "one billion, forty-eight million, two hundred eighty-seven thousand, three hundred ninety-one".