61364505 has 8 divisors (see below), whose sum is σ = 98183232. Its totient is φ = 32727728.

The previous prime is 61364503. The next prime is 61364507. The reversal of 61364505 is 50546316.

It is an interprime number because it is at equal distance from previous prime (61364503) and next prime (61364507).

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

It is a cyclic number.

It is not a de Polignac number, because 61364505 - 2¹ = 61364503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61364503) 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, 2045469 + ... + 2045498.

It is an arithmetic number, because the mean of its divisors is an integer number (12272904).

Almost surely, 2^61364505 is an apocalyptic number.

It is an amenable number.

61364505 is a deficient number, since it is larger than the sum of its proper divisors (36818727).

61364505 is a wasteful number, since it uses less digits than its factorization.

61364505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090975.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 61364505 is about 7833.5499615436. The cubic root of 61364505 is about 394.4322452677.

The spelling of 61364505 in words is "sixty-one million, three hundred sixty-four thousand, five hundred five".