2251501404 has 12 divisors (see below), whose sum is σ = 5253503304. Its totient is φ = 750500464.

The previous prime is 2251501379. The next prime is 2251501477. The reversal of 2251501404 is 4041051522.

2251501404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93812547 + ... + 93812570.

It is an arithmetic number, because the mean of its divisors is an integer number (437791942).

Almost surely, 2^2251501404 is an apocalyptic number.

It is an amenable number.

2251501404 is an abundant number, since it is smaller than the sum of its proper divisors (3002001900).

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

2251501404 is a wasteful number, since it uses less digits than its factorization.

2251501404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187625124 (or 187625122 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2251501404 is about 47449.9884509996. The cubic root of 2251501404 is about 1310.6620983430.

Adding to 2251501404 its reverse (4041051522), we get a palindrome (6292552926).

The spelling of 2251501404 in words is "two billion, two hundred fifty-one million, five hundred one thousand, four hundred four".