2042552431 has 4 divisors (see below), whose sum is σ = 2162702592. Its totient is φ = 1922402272.

The previous prime is 2042552429. The next prime is 2042552443. The reversal of 2042552431 is 1342552402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042552431 - 2¹ = 2042552429 is a prime.

It is a super-2 number, since 2×2042552431² = 8344040866768019522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042552431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042552401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60075055 + ... + 60075088.

It is an arithmetic number, because the mean of its divisors is an integer number (540675648).

Almost surely, 2^2042552431 is an apocalyptic number.

2042552431 is a deficient number, since it is larger than the sum of its proper divisors (120150161).

2042552431 is a wasteful number, since it uses less digits than its factorization.

2042552431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120150160.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2042552431 is about 45194.6062157864. The cubic root of 2042552431 is about 1268.7938682172.

The spelling of 2042552431 in words is "two billion, forty-two million, five hundred fifty-two thousand, four hundred thirty-one".