6415253 has 4 divisors (see below), whose sum is σ = 6908748. Its totient is φ = 5921760.

The previous prime is 6415249. The next prime is 6415271. The reversal of 6415253 is 3525146.

6415253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 2486929 = 1982^2 + 1577^2 .

It is not a de Polignac number, because 6415253 - 2² = 6415249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415243) 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, 246728 + ... + 246753.

It is an arithmetic number, because the mean of its divisors is an integer number (1727187).

Almost surely, 2^6415253 is an apocalyptic number.

It is an amenable number.

6415253 is a deficient number, since it is larger than the sum of its proper divisors (493495).

6415253 is a wasteful number, since it uses less digits than its factorization.

6415253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493494.

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

The square root of 6415253 is about 2532.8349729108. The cubic root of 6415253 is about 185.8109324796.

The spelling of 6415253 in words is "six million, four hundred fifteen thousand, two hundred fifty-three".