61424191 has 16 divisors (see below), whose sum is σ = 66951360. Its totient is φ = 56193280.

The previous prime is 61424189. The next prime is 61424219. The reversal of 61424191 is 19142416.

It is a cyclic number.

It is not a de Polignac number, because 61424191 - 2¹ = 61424189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424161) 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, 49365 + ... + 50593.

It is an arithmetic number, because the mean of its divisors is an integer number (4184460).

Almost surely, 2^61424191 is an apocalyptic number.

61424191 is a deficient number, since it is larger than the sum of its proper divisors (5527169).

61424191 is a wasteful number, since it uses less digits than its factorization.

61424191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its digits is 1728, while the sum is 28.

The square root of 61424191 is about 7837.3586749619. The cubic root of 61424191 is about 394.5600849387.

The spelling of 61424191 in words is "sixty-one million, four hundred twenty-four thousand, one hundred ninety-one".