61493395 has 4 divisors (see below), whose sum is σ = 73792080. Its totient is φ = 49194712.

The previous prime is 61493389. The next prime is 61493407. The reversal of 61493395 is 59339416.

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

It is a cyclic number.

It is not a de Polignac number, because 61493395 - 2⁹ = 61492883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6149335 + ... + 6149344.

It is an arithmetic number, because the mean of its divisors is an integer number (18448020).

Almost surely, 2^61493395 is an apocalyptic number.

61493395 is a deficient number, since it is larger than the sum of its proper divisors (12298685).

61493395 is a wasteful number, since it uses less digits than its factorization.

61493395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298684.

The product of its digits is 87480, while the sum is 40.

The square root of 61493395 is about 7841.7724399526. The cubic root of 61493395 is about 394.7082072967.

The spelling of 61493395 in words is "sixty-one million, four hundred ninety-three thousand, three hundred ninety-five".