1042542313 has 4 divisors (see below), whose sum is σ = 1042914960. Its totient is φ = 1042169668.

The previous prime is 1042542299. The next prime is 1042542341. The reversal of 1042542313 is 3132452401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042542313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042542343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182095 + ... + 187732.

It is an arithmetic number, because the mean of its divisors is an integer number (260728740).

Almost surely, 2^1042542313 is an apocalyptic number.

It is an amenable number.

1042542313 is a deficient number, since it is larger than the sum of its proper divisors (372647).

1042542313 is an equidigital number, since it uses as much as digits as its factorization.

1042542313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372646.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1042542313 is about 32288.4238234077. The cubic root of 1042542313 is about 1013.9842987945.

Adding to 1042542313 its reverse (3132452401), we get a palindrome (4174994714).

The spelling of 1042542313 in words is "one billion, forty-two million, five hundred forty-two thousand, three hundred thirteen".