6245520 has 80 divisors (see below), whose sum is σ = 19766592. Its totient is φ = 1630720.

The previous prime is 6245513. The next prime is 6245521. The reversal of 6245520 is 255426.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6245521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12475 + ... + 12965.

Almost surely, 2^6245520 is an apocalyptic number.

6245520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6245520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9883296).

6245520 is an abundant number, since it is smaller than the sum of its proper divisors (13521072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6245520 is a wasteful number, since it uses less digits than its factorization.

6245520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 6245520 is about 2499.1038393792. The cubic root of 6245520 is about 184.1575525156.

The spelling of 6245520 in words is "six million, two hundred forty-five thousand, five hundred twenty".