1043225551 has 4 divisors (see below), whose sum is σ = 1060907400. Its totient is φ = 1025543704.

The previous prime is 1043225473. The next prime is 1043225563. The reversal of 1043225551 is 1555223401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043225551 - 2¹⁹ = 1042701263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043225851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840836 + ... + 8840953.

It is an arithmetic number, because the mean of its divisors is an integer number (265226850).

Almost surely, 2^1043225551 is an apocalyptic number.

1043225551 is a deficient number, since it is larger than the sum of its proper divisors (17681849).

1043225551 is an equidigital number, since it uses as much as digits as its factorization.

1043225551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681848.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1043225551 is about 32299.0023220532. The cubic root of 1043225551 is about 1014.2057578530.

Adding to 1043225551 its reverse (1555223401), we get a palindrome (2598448952).

The spelling of 1043225551 in words is "one billion, forty-three million, two hundred twenty-five thousand, five hundred fifty-one".