61493211 has 12 divisors (see below), whose sum is σ = 95656288. Its totient is φ = 37841904.

The previous prime is 61493111. The next prime is 61493227. The reversal of 61493211 is 11239416.

61493211 is a `hidden beast` number, since 614 + 9 + 32 + 11 = 666.

It is not a de Polignac number, because 61493211 - 2¹⁷ = 61362139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61493261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262675 + ... + 262908.

Almost surely, 2^61493211 is an apocalyptic number.

61493211 is a deficient number, since it is larger than the sum of its proper divisors (34163077).

61493211 is a wasteful number, since it uses less digits than its factorization.

61493211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525602 (or 525599 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 61493211 is about 7841.7607079023. The cubic root of 61493211 is about 394.7078136155.

The spelling of 61493211 in words is "sixty-one million, four hundred ninety-three thousand, two hundred eleven".