61140853 has 8 divisors (see below), whose sum is σ = 62425728. Its totient is φ = 59860944.

The previous prime is 61140829. The next prime is 61140887. The reversal of 61140853 is 35804116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61140853 - 2⁹ = 61140341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61140253) 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 7 ways as a sum of consecutive naturals, for example, 33400 + ... + 35182.

It is an arithmetic number, because the mean of its divisors is an integer number (7803216).

Almost surely, 2^61140853 is an apocalyptic number.

It is an amenable number.

61140853 is a deficient number, since it is larger than the sum of its proper divisors (1284875).

61140853 is a wasteful number, since it uses less digits than its factorization.

61140853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 61140853 is about 7819.2616659119. The cubic root of 61140853 is about 393.9524730737.

Adding to 61140853 its reverse (35804116), we get a palindrome (96944969).

The spelling of 61140853 in words is "sixty-one million, one hundred forty thousand, eight hundred fifty-three".