1043542461 has 8 divisors (see below), whose sum is σ = 1498420000. Its totient is φ = 642179952.

The previous prime is 1043542441. The next prime is 1043542471. The reversal of 1043542461 is 1642453401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1043542461 - 2⁶ = 1043542397 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 (1043542421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13378711 + ... + 13378788.

It is an arithmetic number, because the mean of its divisors is an integer number (187302500).

Almost surely, 2^1043542461 is an apocalyptic number.

It is an amenable number.

1043542461 is a deficient number, since it is larger than the sum of its proper divisors (454877539).

1043542461 is a wasteful number, since it uses less digits than its factorization.

1043542461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26757515.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1043542461 is about 32303.9078286204. The cubic root of 1043542461 is about 1014.3084455878.

Adding to 1043542461 its reverse (1642453401), we get a palindrome (2685995862).

The spelling of 1043542461 in words is "one billion, forty-three million, five hundred forty-two thousand, four hundred sixty-one".