3253140 has 144 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 748800.

The previous prime is 3253139. The next prime is 3253147. The reversal of 3253140 is 413523.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253147) 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, 61354 + ... + 61406.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

Almost surely, 2^3253140 is an apocalyptic number.

3253140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3253140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

3253140 is an abundant number, since it is smaller than the sum of its proper divisors (8068716).

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

3253140 is a wasteful number, since it uses less digits than its factorization.

3253140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3253140 is about 1803.6463067908. The cubic root of 3253140 is about 148.1724918484.

Adding to 3253140 its reverse (413523), we get a palindrome (3666663).

The spelling of 3253140 in words is "three million, two hundred fifty-three thousand, one hundred forty".