61346245 has 4 divisors (see below), whose sum is σ = 73615500. Its totient is φ = 49076992.

The previous prime is 61346239. The next prime is 61346249. The reversal of 61346245 is 54264316.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10452289 + 50893956 = 3233^2 + 7134^2 .

It is a cyclic number.

It is not a de Polignac number, because 61346245 - 2⁹ = 61345733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61346249) 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 3 ways as a sum of consecutive naturals, for example, 6134620 + ... + 6134629.

It is an arithmetic number, because the mean of its divisors is an integer number (18403875).

Almost surely, 2^61346245 is an apocalyptic number.

It is an amenable number.

61346245 is a deficient number, since it is larger than the sum of its proper divisors (12269255).

61346245 is a wasteful number, since it uses less digits than its factorization.

61346245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269254.

The product of its digits is 17280, while the sum is 31.

The square root of 61346245 is about 7832.3843751440. The cubic root of 61346245 is about 394.3931181572.

The spelling of 61346245 in words is "sixty-one million, three hundred forty-six thousand, two hundred forty-five".