61019193 has 32 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 38021760.

The previous prime is 61019159. The next prime is 61019197. The reversal of 61019193 is 39191016.

It is not a de Polignac number, because 61019193 - 2¹⁰ = 61018169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61019193.

It is not an unprimeable number, because it can be changed into a prime (61019197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438918 + ... + 439056.

It is an arithmetic number, because the mean of its divisors is an integer number (2716560).

Almost surely, 2^61019193 is an apocalyptic number.

It is an amenable number.

61019193 is a deficient number, since it is larger than the sum of its proper divisors (25910727).

61019193 is a wasteful number, since it uses less digits than its factorization.

61019193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 61019193 is about 7811.4782851903. The cubic root of 61019193 is about 393.6909998773.

The spelling of 61019193 in words is "sixty-one million, nineteen thousand, one hundred ninety-three".