1042505541 has 48 divisors (see below), whose sum is σ = 1938014208. Its totient is φ = 524080800.

The previous prime is 1042505531. The next prime is 1042505551. The reversal of 1042505541 is 1455052401.

1042505541 is a `hidden beast` number, since 104 + 2 + 5 + 0 + 554 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1042505531) and next prime (1042505551).

It is not a de Polignac number, because 1042505541 - 2⁷ = 1042505413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042505531) 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 47 ways as a sum of consecutive naturals, for example, 2781 + ... + 45746.

It is an arithmetic number, because the mean of its divisors is an integer number (40375296).

Almost surely, 2^1042505541 is an apocalyptic number.

1042505541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1042505541 is a deficient number, since it is larger than the sum of its proper divisors (895508667).

1042505541 is a wasteful number, since it uses less digits than its factorization.

1042505541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48582 (or 48579 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1042505541 is about 32287.8543882990. The cubic root of 1042505541 is about 1013.9723770821.

Adding to 1042505541 its reverse (1455052401), we get a palindrome (2497557942).

The spelling of 1042505541 in words is "one billion, forty-two million, five hundred five thousand, five hundred forty-one".