61354385 has 8 divisors (see below), whose sum is σ = 73667880. Its totient is φ = 49055104.

The previous prime is 61354373. The next prime is 61354387. The reversal of 61354385 is 58345316.

It can be written as a sum of positive squares in 4 ways, for example, as 529984 + 60824401 = 728^2 + 7799^2 .

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 61354385 - 2²⁰ = 60305809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61354387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12779 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (9208485).

Almost surely, 2^61354385 is an apocalyptic number.

It is an amenable number.

61354385 is a deficient number, since it is larger than the sum of its proper divisors (12313495).

61354385 is a wasteful number, since it uses less digits than its factorization.

61354385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107.

The product of its digits is 43200, while the sum is 35.

The square root of 61354385 is about 7832.9039953264. The cubic root of 61354385 is about 394.4105613220.

The spelling of 61354385 in words is "sixty-one million, three hundred fifty-four thousand, three hundred eighty-five".