6541400 has 24 divisors (see below), whose sum is σ = 15209220. Its totient is φ = 2616480.

The previous prime is 6541393. The next prime is 6541429. The reversal of 6541400 is 41456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16154 + ... + 16553.

Almost surely, 2^6541400 is an apocalyptic number.

It is an amenable number.

6541400 is an abundant number, since it is smaller than the sum of its proper divisors (8667820).

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

6541400 is a wasteful number, since it uses less digits than its factorization.

6541400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32723 (or 32714 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6541400 is about 2557.6160775222. The cubic root of 6541400 is about 187.0209400135.

Adding to 6541400 its reverse (41456), we get a palindrome (6582856).

The spelling of 6541400 in words is "six million, five hundred forty-one thousand, four hundred".