2251020504 has 64 divisors (see below), whose sum is σ = 5835997440. Its totient is φ = 722943360.

The previous prime is 2251020479. The next prime is 2251020523. The reversal of 2251020504 is 4050201522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79159 + ... + 103769.

It is an arithmetic number, because the mean of its divisors is an integer number (91187460).

Almost surely, 2^2251020504 is an apocalyptic number.

2251020504 is a gapful number since it is divisible by the number (24) 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 2251020504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2917998720).

2251020504 is an abundant number, since it is smaller than the sum of its proper divisors (3584976936).

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

2251020504 is a wasteful number, since it uses less digits than its factorization.

2251020504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24760 (or 24756 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2251020504 is about 47444.9207397378. The cubic root of 2251020504 is about 1310.5687765737.

The spelling of 2251020504 in words is "two billion, two hundred fifty-one million, twenty thousand, five hundred four".