61140383 has 2 divisors, whose sum is σ = 61140384. Its totient is φ = 61140382.

The previous prime is 61140379. The next prime is 61140397. The reversal of 61140383 is 38304116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61140383 - 2² = 61140379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61140683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570191 + 30570192.

It is an arithmetic number, because the mean of its divisors is an integer number (30570192).

Almost surely, 2^61140383 is an apocalyptic number.

61140383 is a deficient number, since it is larger than the sum of its proper divisors (1).

61140383 is an equidigital number, since it uses as much as digits as its factorization.

61140383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61140383 is about 7819.2316118657. The cubic root of 61140383 is about 393.9514636115.

Adding to 61140383 its reverse (38304116), we get a palindrome (99444499).

The spelling of 61140383 in words is "sixty-one million, one hundred forty thousand, three hundred eighty-three".