10002545 has 16 divisors (see below), whose sum is σ = 14525568. Its totient is φ = 6455040.

The previous prime is 10002529. The next prime is 10002547. The reversal of 10002545 is 54520001.

It is not a de Polignac number, because 10002545 - 2⁴ = 10002529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 7811 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (907848).

Almost surely, 2^10002545 is an apocalyptic number.

It is an amenable number.

10002545 is a deficient number, since it is larger than the sum of its proper divisors (4523023).

10002545 is a wasteful number, since it uses less digits than its factorization.

10002545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16840.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 10002545 is about 3162.6800344012. The cubic root of 10002545 is about 215.4617442405.

Adding to 10002545 its reverse (54520001), we get a palindrome (64522546).

The spelling of 10002545 in words is "ten million, two thousand, five hundred forty-five".