42543510 has 16 divisors (see below), whose sum is σ = 102104496. Its totient is φ = 11344928.

The previous prime is 42543509. The next prime is 42543511. The reversal of 42543510 is 1534524.

It is an interprime number because it is at equal distance from previous prime (42543509) and next prime (42543511).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709029 + ... + 709088.

It is an arithmetic number, because the mean of its divisors is an integer number (6381531).

Almost surely, 2^42543510 is an apocalyptic number.

42543510 is an abundant number, since it is smaller than the sum of its proper divisors (59560986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42543510 is a wasteful number, since it uses less digits than its factorization.

42543510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418127.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42543510 is about 6522.5386162138. The cubic root of 42543510 is about 349.0956517047.

The spelling of 42543510 in words is "forty-two million, five hundred forty-three thousand, five hundred ten".