1051403355 has 32 divisors (see below), whose sum is σ = 1870977600. Its totient is φ = 560203776.

The previous prime is 1051403317. The next prime is 1051403357. The reversal of 1051403355 is 5533041501.

It is not a de Polignac number, because 1051403355 - 2⁹ = 1051402843 is a prime.

It is a super-2 number, since 2×1051403355² = 2210898029810512050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1051403357) 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 in 31 ways as a sum of consecutive naturals, for example, 162747 + ... + 169083.

It is an arithmetic number, because the mean of its divisors is an integer number (58468050).

Almost surely, 2^1051403355 is an apocalyptic number.

1051403355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1051403355 is a deficient number, since it is larger than the sum of its proper divisors (819574245).

1051403355 is a wasteful number, since it uses less digits than its factorization.

1051403355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1051403355 is about 32425.3504992621. The cubic root of 1051403355 is about 1016.8489694884.

Adding to 1051403355 its reverse (5533041501), we get a palindrome (6584444856).

The spelling of 1051403355 in words is "one billion, fifty-one million, four hundred three thousand, three hundred fifty-five".