42497001 has 16 divisors (see below), whose sum is σ = 64990720. Its totient is φ = 27416880.

The previous prime is 42496999. The next prime is 42497069. The reversal of 42497001 is 10079424.

It is a happy number.

42497001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42497001 - 2¹ = 42496999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42497101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24550 + ... + 26223.

It is an arithmetic number, because the mean of its divisors is an integer number (4061920).

Almost surely, 2^42497001 is an apocalyptic number.

It is an amenable number.

42497001 is a deficient number, since it is larger than the sum of its proper divisors (22493719).

42497001 is a wasteful number, since it uses less digits than its factorization.

42497001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50813 (or 50807 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42497001 is about 6518.9723883447. The cubic root of 42497001 is about 348.9683936753.

The spelling of 42497001 in words is "forty-two million, four hundred ninety-seven thousand, one".