102500413 has 4 divisors (see below), whose sum is σ = 106034940. Its totient is φ = 98965888.

The previous prime is 102500401. The next prime is 102500423. The reversal of 102500413 is 314005201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80766169 + 21734244 = 8987^2 + 4662^2 .

It is a cyclic number.

It is not a de Polignac number, because 102500413 - 2⁵ = 102500381 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 (102500423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767220 + ... + 1767277.

It is an arithmetic number, because the mean of its divisors is an integer number (26508735).

Almost surely, 2^102500413 is an apocalyptic number.

It is an amenable number.

102500413 is a deficient number, since it is larger than the sum of its proper divisors (3534527).

102500413 is an equidigital number, since it uses as much as digits as its factorization.

102500413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534526.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102500413 is about 10124.2487622539. The cubic root of 102500413 is about 467.9957097155.

Adding to 102500413 its reverse (314005201), we get a palindrome (416505614).

The spelling of 102500413 in words is "one hundred two million, five hundred thousand, four hundred thirteen".