100625250 has 64 divisors (see below), whose sum is σ = 274015872. Its totient is φ = 24392000.

The previous prime is 100625243. The next prime is 100625263. The reversal of 100625250 is 52526001.

Added to its reverse (52526001) it gives a triangular number (153151251 = T₁₇₅₀₁).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2152 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (4281498).

Almost surely, 2^100625250 is an apocalyptic number.

100625250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100625250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137007936).

100625250 is an abundant number, since it is smaller than the sum of its proper divisors (173390622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100625250 is a wasteful number, since it uses less digits than its factorization.

100625250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228 (or 12218 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100625250 is about 10031.2137849814. The cubic root of 100625250 is about 465.1242586179.

Adding to 100625250 its reverse (52526001), we get a triangular number (153151251 = T₁₇₅₀₁).

The spelling of 100625250 in words is "one hundred million, six hundred twenty-five thousand, two hundred fifty".