65634541 has 4 divisors (see below), whose sum is σ = 75010912. Its totient is φ = 56258172.

The previous prime is 65634539. The next prime is 65634551. The reversal of 65634541 is 14543656.

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.

It is a cyclic number.

It is not a de Polignac number, because 65634541 - 2¹ = 65634539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65634497 and 65634506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65634551) 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, 4688175 + ... + 4688188.

It is an arithmetic number, because the mean of its divisors is an integer number (18752728).

Almost surely, 2^65634541 is an apocalyptic number.

It is an amenable number.

65634541 is a deficient number, since it is larger than the sum of its proper divisors (9376371).

65634541 is an equidigital number, since it uses as much as digits as its factorization.

65634541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376370.

The product of its digits is 43200, while the sum is 34.

The square root of 65634541 is about 8101.5147349122. The cubic root of 65634541 is about 403.3767081433.

The spelling of 65634541 in words is "sixty-five million, six hundred thirty-four thousand, five hundred forty-one".