61380361 has 8 divisors (see below), whose sum is σ = 70196480. Its totient is φ = 52576128.

The previous prime is 61380359. The next prime is 61380367. The reversal of 61380361 is 16308316.

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 61380361 - 2¹ = 61380359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61380367) 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, 17785 + ... + 20953.

It is an arithmetic number, because the mean of its divisors is an integer number (8774560).

Almost surely, 2^61380361 is an apocalyptic number.

It is an amenable number.

61380361 is a deficient number, since it is larger than the sum of its proper divisors (8816119).

61380361 is a wasteful number, since it uses less digits than its factorization.

61380361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61380361 is about 7834.5619532939. The cubic root of 61380361 is about 394.4662148461.

Adding to 61380361 its reverse (16308316), we get a palindrome (77688677).

The spelling of 61380361 in words is "sixty-one million, three hundred eighty thousand, three hundred sixty-one".