1055331245 has 4 divisors (see below), whose sum is σ = 1266397500. Its totient is φ = 844264992.

The previous prime is 1055331197. The next prime is 1055331247. The reversal of 1055331245 is 5421335501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5421335501 = 163 ⋅33259727.

It can be written as a sum of positive squares in 2 ways, for example, as 116337796 + 938993449 = 10786^2 + 30643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055331245 - 2¹⁴ = 1055314861 is a prime.

It is a super-2 number, since 2×1055331245² = 2227448073346500050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055331247) 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 in 3 ways as a sum of consecutive naturals, for example, 105533120 + ... + 105533129.

It is an arithmetic number, because the mean of its divisors is an integer number (316599375).

Almost surely, 2^1055331245 is an apocalyptic number.

It is an amenable number.

1055331245 is a deficient number, since it is larger than the sum of its proper divisors (211066255).

1055331245 is an equidigital number, since it uses as much as digits as its factorization.

1055331245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211066254.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1055331245 is about 32485.8622326698. The cubic root of 1055331245 is about 1018.1136625043.

Adding to 1055331245 its reverse (5421335501), we get a palindrome (6476666746).

The spelling of 1055331245 in words is "one billion, fifty-five million, three hundred thirty-one thousand, two hundred forty-five".