61741389 has 4 divisors (see below), whose sum is σ = 82321856. Its totient is φ = 41160924.

The previous prime is 61741369. The next prime is 61741439. The reversal of 61741389 is 98314716.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61741389 - 2⁸ = 61741133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61741369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10290229 + ... + 10290234.

It is an arithmetic number, because the mean of its divisors is an integer number (20580464).

Almost surely, 2^61741389 is an apocalyptic number.

It is an amenable number.

61741389 is a deficient number, since it is larger than the sum of its proper divisors (20580467).

61741389 is a wasteful number, since it uses less digits than its factorization.

61741389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20580466.

The product of its digits is 36288, while the sum is 39.

The square root of 61741389 is about 7857.5688988389. The cubic root of 61741389 is about 395.2380960512.

The spelling of 61741389 in words is "sixty-one million, seven hundred forty-one thousand, three hundred eighty-nine".