1055203451 has 4 divisors (see below), whose sum is σ = 1089242304. Its totient is φ = 1021164600.

The previous prime is 1055203433. The next prime is 1055203463. The reversal of 1055203451 is 1543025501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1543025501 = 1049 ⋅1470949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055203451 is a prime.

It is a super-2 number, since 2×1055203451² = 2226908646004618802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055203451.

It is not an unprimeable number, because it can be changed into a prime (1055203411) 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 3 ways as a sum of consecutive naturals, for example, 17019380 + ... + 17019441.

It is an arithmetic number, because the mean of its divisors is an integer number (272310576).

Almost surely, 2^1055203451 is an apocalyptic number.

1055203451 is a deficient number, since it is larger than the sum of its proper divisors (34038853).

1055203451 is an equidigital number, since it uses as much as digits as its factorization.

1055203451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34038852.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1055203451 is about 32483.8952559572. The cubic root of 1055203451 is about 1018.0725651174.

Adding to 1055203451 its reverse (1543025501), we get a palindrome (2598228952).

The spelling of 1055203451 in words is "one billion, fifty-five million, two hundred three thousand, four hundred fifty-one".