102813250 has 16 divisors (see below), whose sum is σ = 192466872. Its totient is φ = 41125200.

The previous prime is 102813241. The next prime is 102813257. The reversal of 102813250 is 52318201.

It can be written as a sum of positive squares in 4 ways, for example, as 6046681 + 96766569 = 2459^2 + 9837^2 .

It is a super-3 number, since 3×102813250³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102813257) 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, 205377 + ... + 205876.

Almost surely, 2^102813250 is an apocalyptic number.

102813250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102813250 is a deficient number, since it is larger than the sum of its proper divisors (89653622).

102813250 is an equidigital number, since it uses as much as digits as its factorization.

102813250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411270 (or 411260 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 102813250 is about 10139.6868787946. The cubic root of 102813250 is about 468.4713425277.

It can be divided in two parts, 10281 and 3250, that added together give a palindrome (13531).

The spelling of 102813250 in words is "one hundred two million, eight hundred thirteen thousand, two hundred fifty".