1043204551 has 2 divisors, whose sum is σ = 1043204552. Its totient is φ = 1043204550.

The previous prime is 1043204549. The next prime is 1043204567. The reversal of 1043204551 is 1554023401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043204551 - 2¹ = 1043204549 is a prime.

It is a super-2 number, since 2×1043204551² = 2176551470454223202, which contains 22 as substring.

Together with 1043204549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043204581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521602275 + 521602276.

It is an arithmetic number, because the mean of its divisors is an integer number (521602276).

Almost surely, 2^1043204551 is an apocalyptic number.

1043204551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043204551 is an equidigital number, since it uses as much as digits as its factorization.

1043204551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1043204551 is about 32298.6772329766. The cubic root of 1043204551 is about 1014.1989525289.

Adding to 1043204551 its reverse (1554023401), we get a palindrome (2597227952).

The spelling of 1043204551 in words is "one billion, forty-three million, two hundred four thousand, five hundred fifty-one".