2042451517 has 8 divisors (see below), whose sum is σ = 2076471936. Its totient is φ = 2008535232.

The previous prime is 2042451511. The next prime is 2042451547. The reversal of 2042451517 is 7151542402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042451517 - 2¹⁹ = 2041927229 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 (2042451511) 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, 14028 + ... + 65434.

It is an arithmetic number, because the mean of its divisors is an integer number (259558992).

Almost surely, 2^2042451517 is an apocalyptic number.

It is an amenable number.

2042451517 is a deficient number, since it is larger than the sum of its proper divisors (34020419).

2042451517 is an equidigital number, since it uses as much as digits as its factorization.

2042451517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52067.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2042451517 is about 45193.4897634604. The cubic root of 2042451517 is about 1268.7729726013.

Adding to 2042451517 its reverse (7151542402), we get a palindrome (9193993919).

The spelling of 2042451517 in words is "two billion, forty-two million, four hundred fifty-one thousand, five hundred seventeen".