100825494 has 64 divisors (see below), whose sum is σ = 252771840. Its totient is φ = 26046720.

The previous prime is 100825441. The next prime is 100825499. The reversal of 100825494 is 494528001.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100825499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105322 + ... + 106274.

It is an arithmetic number, because the mean of its divisors is an integer number (3949560).

Almost surely, 2^100825494 is an apocalyptic number.

100825494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100825494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126385920).

100825494 is an abundant number, since it is smaller than the sum of its proper divisors (151946346).

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

100825494 is a wasteful number, since it uses less digits than its factorization.

100825494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 100825494 is about 10041.1898697316. The cubic root of 100825494 is about 465.4325862281.

It can be divided in two parts, 10082 and 5494, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 100825494 in words is "one hundred million, eight hundred twenty-five thousand, four hundred ninety-four".