1034243621 has 2 divisors, whose sum is σ = 1034243622. Its totient is φ = 1034243620.

The previous prime is 1034243597. The next prime is 1034243653. The reversal of 1034243621 is 1263424301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988410721 + 45832900 = 31439^2 + 6770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034243621 - 2¹⁰ = 1034242597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034243681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517121810 + 517121811.

It is an arithmetic number, because the mean of its divisors is an integer number (517121811).

Almost surely, 2^1034243621 is an apocalyptic number.

It is an amenable number.

1034243621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034243621 is an equidigital number, since it uses as much as digits as its factorization.

1034243621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1034243621 is about 32159.6582848761. The cubic root of 1034243621 is about 1011.2866721004.

Adding to 1034243621 its reverse (1263424301), we get a palindrome (2297667922).

The spelling of 1034243621 in words is "one billion, thirty-four million, two hundred forty-three thousand, six hundred twenty-one".