6634541 has 4 divisors (see below), whose sum is σ = 6733632. Its totient is φ = 6535452.

The previous prime is 6634531. The next prime is 6634547. The reversal of 6634541 is 1454366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1454366 = 2 ⋅727183.

It is a cyclic number.

It is not a de Polignac number, because 6634541 - 2²² = 2440237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634547) 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, 49445 + ... + 49578.

It is an arithmetic number, because the mean of its divisors is an integer number (1683408).

Almost surely, 2^6634541 is an apocalyptic number.

It is an amenable number.

6634541 is a deficient number, since it is larger than the sum of its proper divisors (99091).

6634541 is an equidigital number, since it uses as much as digits as its factorization.

6634541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99090.

The product of its digits is 8640, while the sum is 29.

The square root of 6634541 is about 2575.7602761127. The cubic root of 6634541 is about 187.9044047720.

The spelling of 6634541 in words is "six million, six hundred thirty-four thousand, five hundred forty-one".