61950189 has 8 divisors (see below), whose sum is σ = 94400320. Its totient is φ = 35400096.

The previous prime is 61950181. The next prime is 61950199. The reversal of 61950189 is 98105916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61950189 - 2³ = 61950181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61950181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474984 + ... + 1475025.

It is an arithmetic number, because the mean of its divisors is an integer number (11800040).

Almost surely, 2^61950189 is an apocalyptic number.

It is an amenable number.

61950189 is a deficient number, since it is larger than the sum of its proper divisors (32450131).

61950189 is a wasteful number, since it uses less digits than its factorization.

61950189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950019.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 61950189 is about 7870.8442368020. The cubic root of 61950189 is about 395.6831398075.

The spelling of 61950189 in words is "sixty-one million, nine hundred fifty thousand, one hundred eighty-nine".