203010542 has 16 divisors (see below), whose sum is σ = 348922080. Its totient is φ = 86778528.

The previous prime is 203010529. The next prime is 203010547. The reversal of 203010542 is 245010302.

It is a self number, because there is not a number n which added to its sum of digits gives 203010542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203010547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13193 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (21807630).

Almost surely, 2^203010542 is an apocalyptic number.

203010542 is a deficient number, since it is larger than the sum of its proper divisors (145911538).

203010542 is a wasteful number, since it uses less digits than its factorization.

203010542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37675.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 203010542 is about 14248.1767956465. The cubic root of 203010542 is about 587.7232392608.

Subtracting from 203010542 its product of nonzero digits (240), we obtain a palindrome (203010302).

Adding to 203010542 its reverse (245010302), we get a palindrome (448020844).

The spelling of 203010542 in words is "two hundred three million, ten thousand, five hundred forty-two".