61400035 has 4 divisors (see below), whose sum is σ = 73680048. Its totient is φ = 49120024.

The previous prime is 61400033. The next prime is 61400063. The reversal of 61400035 is 53000416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61400035 - 2¹ = 61400033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61399985 and 61400021.

It is not an unprimeable number, because it can be changed into a prime (61400033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6139999 + ... + 6140008.

It is an arithmetic number, because the mean of its divisors is an integer number (18420012).

Almost surely, 2^61400035 is an apocalyptic number.

61400035 is a deficient number, since it is larger than the sum of its proper divisors (12280013).

61400035 is a wasteful number, since it uses less digits than its factorization.

61400035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280012.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 61400035 is about 7835.8174429985. The cubic root of 61400035 is about 394.5083558999.

It can be divided in two parts, 6 and 1400035, that added together give a palindrome (1400041).

The spelling of 61400035 in words is "sixty-one million, four hundred thousand, thirty-five".