6251481 has 6 divisors (see below), whose sum is σ = 9029930. Its totient is φ = 4167648.

The previous prime is 6251467. The next prime is 6251519. The reversal of 6251481 is 1841526.

6251481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 81225 = 2484^2 + 285^2 .

It is not a de Polignac number, because 6251481 - 2⁶ = 6251417 is a prime.

It is a super-2 number, since 2×6251481² = 78162029386722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6251431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347296 + ... + 347313.

Almost surely, 2^6251481 is an apocalyptic number.

It is an amenable number.

6251481 is a deficient number, since it is larger than the sum of its proper divisors (2778449).

6251481 is a wasteful number, since it uses less digits than its factorization.

6251481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694615 (or 694612 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 6251481 is about 2500.2961824552. The cubic root of 6251481 is about 184.2161232514.

The spelling of 6251481 in words is "six million, two hundred fifty-one thousand, four hundred eighty-one".