61840353 has 16 divisors (see below), whose sum is σ = 86446080. Its totient is φ = 39247824.

The previous prime is 61840351. The next prime is 61840367. The reversal of 61840353 is 35304816.

It is not a de Polignac number, because 61840353 - 2¹ = 61840351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61840353.

It is not an unprimeable number, because it can be changed into a prime (61840351) 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 in 15 ways as a sum of consecutive naturals, for example, 13378 + ... + 17396.

It is an arithmetic number, because the mean of its divisors is an integer number (5402880).

Almost surely, 2^61840353 is an apocalyptic number.

It is an amenable number.

61840353 is a deficient number, since it is larger than the sum of its proper divisors (24605727).

61840353 is a wasteful number, since it uses less digits than its factorization.

61840353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61840353 is about 7863.8637450047. The cubic root of 61840353 is about 395.4491563229.

The spelling of 61840353 in words is "sixty-one million, eight hundred forty thousand, three hundred fifty-three".