36251620 has 36 divisors (see below), whose sum is σ = 80362044. Its totient is φ = 13734720.

The previous prime is 36251587. The next prime is 36251641. The reversal of 36251620 is 2615263.

It can be written as a sum of positive squares in 2 ways, for example, as 24029604 + 12222016 = 4902^2 + 3496^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4710 + ... + 9730.

It is an arithmetic number, because the mean of its divisors is an integer number (2232279).

Almost surely, 2^36251620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36251620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40181022).

36251620 is an abundant number, since it is smaller than the sum of its proper divisors (44110424).

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

36251620 is a wasteful number, since it uses less digits than its factorization.

36251620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 36251620 is about 6020.9318215705. The cubic root of 36251620 is about 330.9602274206.

Adding to 36251620 its reverse (2615263), we get a palindrome (38866883).

The spelling of 36251620 in words is "thirty-six million, two hundred fifty-one thousand, six hundred twenty".