61417031 has 16 divisors (see below), whose sum is σ = 67636800. Its totient is φ = 55427328.

The previous prime is 61417019. The next prime is 61417033. The reversal of 61417031 is 13071416.

61417031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61417031 - 2⁶ = 61416967 is a prime.

It is a super-2 number, since 2×61417031² = 7544103393709922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61416988 and 61417006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61417033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125870 + ... + 126356.

It is an arithmetic number, because the mean of its divisors is an integer number (4227300).

Almost surely, 2^61417031 is an apocalyptic number.

61417031 is a deficient number, since it is larger than the sum of its proper divisors (6219769).

61417031 is a wasteful number, since it uses less digits than its factorization.

61417031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 61417031 is about 7836.9018751035. The cubic root of 61417031 is about 394.5447535200.

Adding to 61417031 its reverse (13071416), we get a palindrome (74488447).

The spelling of 61417031 in words is "sixty-one million, four hundred seventeen thousand, thirty-one".