2251061404 has 48 divisors (see below), whose sum is σ = 4293452800. Its totient is φ = 1028764800.

The previous prime is 2251061383. The next prime is 2251061431. The reversal of 2251061404 is 4041601522.

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, 891664 + ... + 894184.

Almost surely, 2^2251061404 is an apocalyptic number.

It is an amenable number.

2251061404 is a deficient number, since it is larger than the sum of its proper divisors (2042391396).

2251061404 is a wasteful number, since it uses less digits than its factorization.

2251061404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2251061404 is about 47445.3517638978. The cubic root of 2251061404 is about 1310.5767140015.

Adding to 2251061404 its reverse (4041601522), we get a palindrome (6292662926).

The spelling of 2251061404 in words is "two billion, two hundred fifty-one million, sixty-one thousand, four hundred four".