6451253 has 8 divisors (see below), whose sum is σ = 6723000. Its totient is φ = 6182848.

The previous prime is 6451231. The next prime is 6451259. The reversal of 6451253 is 3521546.

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 5484964 = 983^2 + 2342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6451253 - 2⁶ = 6451189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 5067.

It is an arithmetic number, because the mean of its divisors is an integer number (840375).

Almost surely, 2^6451253 is an apocalyptic number.

It is an amenable number.

6451253 is a deficient number, since it is larger than the sum of its proper divisors (271747).

6451253 is a wasteful number, since it uses less digits than its factorization.

6451253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its digits is 3600, while the sum is 26.

The square root of 6451253 is about 2539.9316919949. The cubic root of 6451253 is about 186.1578515081.

Adding to 6451253 its reverse (3521546), we get a palindrome (9972799).

The spelling of 6451253 in words is "six million, four hundred fifty-one thousand, two hundred fifty-three".