42162801 has 16 divisors (see below), whose sum is σ = 57805440. Its totient is φ = 27319680.

The previous prime is 42162787. The next prime is 42162811. The reversal of 42162801 is 10826124.

It is not a de Polignac number, because 42162801 - 2¹⁸ = 41900657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42162811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45420 + ... + 46338.

It is an arithmetic number, because the mean of its divisors is an integer number (3612840).

Almost surely, 2^42162801 is an apocalyptic number.

42162801 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42162801 is a deficient number, since it is larger than the sum of its proper divisors (15642639).

42162801 is a wasteful number, since it uses less digits than its factorization.

42162801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 42162801 is about 6493.2889201082. The cubic root of 42162801 is about 348.0512129016.

Adding to 42162801 its reverse (10826124), we get a palindrome (52988925).

The spelling of 42162801 in words is "forty-two million, one hundred sixty-two thousand, eight hundred one".