36821925 has 48 divisors (see below), whose sum is σ = 77316480. Its totient is φ = 16830720.

The previous prime is 36821921. The next prime is 36821929. The reversal of 36821925 is 52912863.

It is an interprime number because it is at equal distance from previous prime (36821921) and next prime (36821929).

It is not a de Polignac number, because 36821925 - 2² = 36821921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36821925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36821921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 829 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1610760).

Almost surely, 2^36821925 is an apocalyptic number.

36821925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36821925 is an abundant number, since it is smaller than the sum of its proper divisors (40494555).

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

36821925 is a wasteful number, since it uses less digits than its factorization.

36821925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819 (or 7808 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 36821925 is about 6068.1072007670. The cubic root of 36821925 is about 332.6867437991.

The spelling of 36821925 in words is "thirty-six million, eight hundred twenty-one thousand, nine hundred twenty-five".