61390327 has 4 divisors (see below), whose sum is σ = 61414416. Its totient is φ = 61366240.

The previous prime is 61390321. The next prime is 61390337. The reversal of 61390327 is 72309316.

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 61390327 - 2¹⁵ = 61357559 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 (61390321) 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, 7699 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (15353604).

Almost surely, 2^61390327 is an apocalyptic number.

61390327 is a deficient number, since it is larger than the sum of its proper divisors (24089).

61390327 is a wasteful number, since it uses less digits than its factorization.

61390327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24088.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 61390327 is about 7835.1979553806. The cubic root of 61390327 is about 394.4875628119.

The spelling of 61390327 in words is "sixty-one million, three hundred ninety thousand, three hundred twenty-seven".