61113001 has 16 divisors (see below), whose sum is σ = 65842560. Its totient is φ = 56580480.

The previous prime is 61112993. The next prime is 61113023. The reversal of 61113001 is 10031116.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61113001 - 2³ = 61112993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61113071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215806 + ... + 216088.

It is an arithmetic number, because the mean of its divisors is an integer number (4115160).

Almost surely, 2^61113001 is an apocalyptic number.

It is an amenable number.

61113001 is a deficient number, since it is larger than the sum of its proper divisors (4729559).

61113001 is a wasteful number, since it uses less digits than its factorization.

61113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 61113001 is about 7817.4804764707. The cubic root of 61113001 is about 393.8926438418.

Adding to 61113001 its reverse (10031116), we get a palindrome (71144117).

The spelling of 61113001 in words is "sixty-one million, one hundred thirteen thousand, one".