1040505751 has 2 divisors, whose sum is σ = 1040505752. Its totient is φ = 1040505750.

The previous prime is 1040505743. The next prime is 1040505803. The reversal of 1040505751 is 1575050401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040505751 - 2³ = 1040505743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040505551) 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, 520252875 + 520252876.

It is an arithmetic number, because the mean of its divisors is an integer number (520252876).

Almost surely, 2^1040505751 is an apocalyptic number.

1040505751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040505751 is an equidigital number, since it uses as much as digits as its factorization.

1040505751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 1040505751 is about 32256.8713764990. The cubic root of 1040505751 is about 1013.3236100199.

The spelling of 1040505751 in words is "one billion, forty million, five hundred five thousand, seven hundred fifty-one".