10002542 has 16 divisors (see below), whose sum is σ = 16481664. Its totient is φ = 4515000.

The previous prime is 10002529. The next prime is 10002547. The reversal of 10002542 is 24520001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002547) 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, 1817 + ... + 4827.

It is an arithmetic number, because the mean of its divisors is an integer number (1030104).

Almost surely, 2^10002542 is an apocalyptic number.

10002542 is a deficient number, since it is larger than the sum of its proper divisors (6479122).

10002542 is a wasteful number, since it uses less digits than its factorization.

10002542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 10002542 is about 3162.6795601199. The cubic root of 10002542 is about 215.4617226999.

Adding to 10002542 its reverse (24520001), we get a palindrome (34522543).

The spelling of 10002542 in words is "ten million, two thousand, five hundred forty-two".