61368461 has 16 divisors (see below), whose sum is σ = 80540160. Its totient is φ = 45301680.

The previous prime is 61368443. The next prime is 61368467. The reversal of 61368461 is 16486316.

It is a cyclic number.

It is not a de Polignac number, because 61368461 - 2⁶ = 61368397 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 (61368467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19511 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (5033760).

Almost surely, 2^61368461 is an apocalyptic number.

It is an amenable number.

61368461 is a deficient number, since it is larger than the sum of its proper divisors (19171699).

61368461 is a wasteful number, since it uses less digits than its factorization.

61368461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41984.

The product of its digits is 20736, while the sum is 35.

The square root of 61368461 is about 7833.8024611296. The cubic root of 61368461 is about 394.4407210710.

The spelling of 61368461 in words is "sixty-one million, three hundred sixty-eight thousand, four hundred sixty-one".