61642041 has 16 divisors (see below), whose sum is σ = 83712000. Its totient is φ = 40339728.

The previous prime is 61642039. The next prime is 61642069. The reversal of 61642041 is 14024616.

It is not a de Polignac number, because 61642041 - 2¹ = 61642039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61642241) 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, 46510 + ... + 47816.

It is an arithmetic number, because the mean of its divisors is an integer number (5232000).

Almost surely, 2^61642041 is an apocalyptic number.

It is an amenable number.

61642041 is a deficient number, since it is larger than the sum of its proper divisors (22069959).

61642041 is a wasteful number, since it uses less digits than its factorization.

61642041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61642041 is about 7851.2445510250. The cubic root of 61642041 is about 395.0259898511.

Adding to 61642041 its reverse (14024616), we get a palindrome (75666657).

The spelling of 61642041 in words is "sixty-one million, six hundred forty-two thousand, forty-one".