1043361461 has 4 divisors (see below), whose sum is σ = 1043426124. Its totient is φ = 1043296800.

The previous prime is 1043361439. The next prime is 1043361491. The reversal of 1043361461 is 1641633401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1641633401 = 239 ⋅6868759.

It can be written as a sum of positive squares in 2 ways, for example, as 125574436 + 917787025 = 11206^2 + 30295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043361461 - 2²⁶ = 976252597 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 (1043361491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14081 + ... + 47801.

It is an arithmetic number, because the mean of its divisors is an integer number (260856531).

Almost surely, 2^1043361461 is an apocalyptic number.

It is an amenable number.

1043361461 is a deficient number, since it is larger than the sum of its proper divisors (64663).

1043361461 is an equidigital number, since it uses as much as digits as its factorization.

1043361461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64662.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1043361461 is about 32301.1061884883. The cubic root of 1043361461 is about 1014.2497990542.

Adding to 1043361461 its reverse (1641633401), we get a palindrome (2684994862).

The spelling of 1043361461 in words is "one billion, forty-three million, three hundred sixty-one thousand, four hundred sixty-one".