61193545 has 16 divisors (see below), whose sum is σ = 84366720. Its totient is φ = 41739264.

The previous prime is 61193537. The next prime is 61193563. The reversal of 61193545 is 54539116.

It is not a de Polignac number, because 61193545 - 2³ = 61193537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61193545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (5272920).

Almost surely, 2^61193545 is an apocalyptic number.

It is an amenable number.

61193545 is a deficient number, since it is larger than the sum of its proper divisors (23173175).

61193545 is a wasteful number, since it uses less digits than its factorization.

61193545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264.

The product of its digits is 16200, while the sum is 34.

The square root of 61193545 is about 7822.6303121137. The cubic root of 61193545 is about 394.0656117381.

The spelling of 61193545 in words is "sixty-one million, one hundred ninety-three thousand, five hundred forty-five".