10406542 has 4 divisors (see below), whose sum is σ = 15609816. Its totient is φ = 5203270.

The previous prime is 10406537. The next prime is 10406569. The reversal of 10406542 is 24560401.

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

It is a super-2 number, since 2×10406542² = 216592232795528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2601634 + ... + 2601637.

It is an arithmetic number, because the mean of its divisors is an integer number (3902454).

Almost surely, 2^10406542 is an apocalyptic number.

10406542 is a deficient number, since it is larger than the sum of its proper divisors (5203274).

10406542 is an equidigital number, since it uses as much as digits as its factorization.

10406542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203273.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 10406542 is about 3225.9172339042. The cubic root of 10406542 is about 218.3243355589.

Adding to 10406542 its reverse (24560401), we get a palindrome (34966943).

The spelling of 10406542 in words is "ten million, four hundred six thousand, five hundred forty-two".