1003440461 has 2 divisors, whose sum is σ = 1003440462. Its totient is φ = 1003440460.

The previous prime is 1003440409. The next prime is 1003440479. The reversal of 1003440461 is 1640443001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981631561 + 21808900 = 31331^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003440461 - 2¹⁸ = 1003178317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003440661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501720230 + 501720231.

It is an arithmetic number, because the mean of its divisors is an integer number (501720231).

Almost surely, 2^1003440461 is an apocalyptic number.

It is an amenable number.

1003440461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003440461 is an equidigital number, since it uses as much as digits as its factorization.

1003440461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1003440461 is about 31677.1283578547. The cubic root of 1003440461 is about 1001.1455076445.

Adding to 1003440461 its reverse (1640443001), we get a palindrome (2643883462).

The spelling of 1003440461 in words is "one billion, three million, four hundred forty thousand, four hundred sixty-one".