10002541 has 4 divisors (see below), whose sum is σ = 10034812. Its totient is φ = 9970272.

The previous prime is 10002529. The next prime is 10002547. The reversal of 10002541 is 14520001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14520001 = 181 ⋅80221.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 6869641 = 1770^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002541 - 2⁹ = 10002029 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 15666 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (2508703).

Almost surely, 2^10002541 is an apocalyptic number.

It is an amenable number.

10002541 is a deficient number, since it is larger than the sum of its proper divisors (32271).

10002541 is an equidigital number, since it uses as much as digits as its factorization.

10002541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32270.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10002541 is about 3162.6794020261. The cubic root of 10002541 is about 215.4617155196.

Adding to 10002541 its reverse (14520001), we get a palindrome (24522542).

The spelling of 10002541 in words is "ten million, two thousand, five hundred forty-one".