10213542 has 24 divisors (see below), whose sum is σ = 22188816. Its totient is φ = 3395376.

The previous prime is 10213537. The next prime is 10213543. The reversal of 10213542 is 24531201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213543) 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 11 ways as a sum of consecutive naturals, for example, 11208 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (924534).

Almost surely, 2^10213542 is an apocalyptic number.

10213542 is an abundant number, since it is smaller than the sum of its proper divisors (11975274).

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

10213542 is a wasteful number, since it uses less digits than its factorization.

10213542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10213542 is about 3195.8632636582. The cubic root of 10213542 is about 216.9662218159.

Adding to 10213542 its reverse (24531201), we get a palindrome (34744743).

The spelling of 10213542 in words is "ten million, two hundred thirteen thousand, five hundred forty-two".