1051533805 has 16 divisors (see below), whose sum is σ = 1445549184. Its totient is φ = 719328960.

The previous prime is 1051533787. The next prime is 1051533839. The reversal of 1051533805 is 5083351501.

It is not a de Polignac number, because 1051533805 - 2⁹ = 1051533293 is a prime.

It is a super-2 number, since 2×1051533805² = 2211446686115556050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20947 + ... + 50416.

It is an arithmetic number, because the mean of its divisors is an integer number (90346824).

Almost surely, 2^1051533805 is an apocalyptic number.

It is an amenable number.

1051533805 is a deficient number, since it is larger than the sum of its proper divisors (394015379).

1051533805 is an equidigital number, since it uses as much as digits as its factorization.

1051533805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71796.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1051533805 is about 32427.3619802783. The cubic root of 1051533805 is about 1016.8910220022.

The spelling of 1051533805 in words is "one billion, fifty-one million, five hundred thirty-three thousand, eight hundred five".