61202545 has 32 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 45427200.

The previous prime is 61202527. The next prime is 61202569. The reversal of 61202545 is 54520216.

61202545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61202545 - 2⁵ = 61202513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467130 + ... + 467260.

It is an arithmetic number, because the mean of its divisors is an integer number (2469852).

Almost surely, 2^61202545 is an apocalyptic number.

It is an amenable number.

61202545 is a deficient number, since it is larger than the sum of its proper divisors (17832719).

61202545 is a wasteful number, since it uses less digits than its factorization.

61202545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 61202545 is about 7823.2055450435. The cubic root of 61202545 is about 394.0849297705.

The spelling of 61202545 in words is "sixty-one million, two hundred two thousand, five hundred forty-five".