61997483 has 4 divisors (see below), whose sum is σ = 62226528. Its totient is φ = 61768440.

The previous prime is 61997479. The next prime is 61997503. The reversal of 61997483 is 38479916.

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 61997483 - 2² = 61997479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61997423) 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, 114116 + ... + 114657.

It is an arithmetic number, because the mean of its divisors is an integer number (15556632).

Almost surely, 2^61997483 is an apocalyptic number.

61997483 is a deficient number, since it is larger than the sum of its proper divisors (229045).

61997483 is a wasteful number, since it uses less digits than its factorization.

61997483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229044.

The product of its digits is 326592, while the sum is 47.

The square root of 61997483 is about 7873.8480427298. The cubic root of 61997483 is about 395.7838049745.

The spelling of 61997483 in words is "sixty-one million, nine hundred ninety-seven thousand, four hundred eighty-three".