61995461 has 16 divisors (see below), whose sum is σ = 73124160. Its totient is φ = 51943680.

The previous prime is 61995457. The next prime is 61995463. The reversal of 61995461 is 16459916.

It is a cyclic number.

It is not a de Polignac number, because 61995461 - 2² = 61995457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61995463) 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, 3725 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (4570260).

Almost surely, 2^61995461 is an apocalyptic number.

It is an amenable number.

61995461 is a deficient number, since it is larger than the sum of its proper divisors (11128699).

61995461 is a wasteful number, since it uses less digits than its factorization.

61995461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084.

The product of its digits is 58320, while the sum is 41.

The square root of 61995461 is about 7873.7196419481. The cubic root of 61995461 is about 395.7795022001.

The spelling of 61995461 in words is "sixty-one million, nine hundred ninety-five thousand, four hundred sixty-one".