6251489 has 4 divisors (see below), whose sum is σ = 6259860. Its totient is φ = 6243120.

The previous prime is 6251467. The next prime is 6251519. The reversal of 6251489 is 9841526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9841526 = 2 ⋅4920763.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 4243600 = 1417^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 6251489 - 2⁸ = 6251233 is a prime.

It is a super-2 number, since 2×6251489² = 78162229434242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6251459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (1564965).

Almost surely, 2^6251489 is an apocalyptic number.

It is an amenable number.

6251489 is a deficient number, since it is larger than the sum of its proper divisors (8371).

6251489 is an equidigital number, since it uses as much as digits as its factorization.

6251489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370.

The product of its digits is 17280, while the sum is 35.

The square root of 6251489 is about 2500.2977822651. The cubic root of 6251489 is about 184.2162018316.

The spelling of 6251489 in words is "six million, two hundred fifty-one thousand, four hundred eighty-nine".