1051490801 has 2 divisors, whose sum is σ = 1051490802. Its totient is φ = 1051490800.

The previous prime is 1051490789. The next prime is 1051490833. The reversal of 1051490801 is 1080941501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049695201 + 1795600 = 32399^2 + 1340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051490801 is a prime.

It is a super-2 number, since 2×1051490801² = 2211265809175243202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051490101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525745400 + 525745401.

It is an arithmetic number, because the mean of its divisors is an integer number (525745401).

Almost surely, 2^1051490801 is an apocalyptic number.

It is an amenable number.

1051490801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051490801 is an equidigital number, since it uses as much as digits as its factorization.

1051490801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 1051490801 is about 32426.6988914999. The cubic root of 1051490801 is about 1016.8771594022.

The spelling of 1051490801 in words is "one billion, fifty-one million, four hundred ninety thousand, eight hundred one".