61424541 has 16 divisors (see below), whose sum is σ = 91267200. Its totient is φ = 40829184.

The previous prime is 61424533. The next prime is 61424543. The reversal of 61424541 is 14542416.

61424541 is a `hidden beast` number, since 614 + 2 + 4 + 5 + 41 = 666.

It is not a de Polignac number, because 61424541 - 2³ = 61424533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6525 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (5704200).

Almost surely, 2^61424541 is an apocalyptic number.

It is an amenable number.

61424541 is a deficient number, since it is larger than the sum of its proper divisors (29842659).

61424541 is a wasteful number, since it uses less digits than its factorization.

61424541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705 (or 6699 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 61424541 is about 7837.3810038813. The cubic root of 61424541 is about 394.5608343491.

Adding to 61424541 its reverse (14542416), we get a palindrome (75966957).

The spelling of 61424541 in words is "sixty-one million, four hundred twenty-four thousand, five hundred forty-one".