61244983 has 4 divisors (see below), whose sum is σ = 61787088. Its totient is φ = 60702880.

The previous prime is 61244959. The next prime is 61244993. The reversal of 61244983 is 38944216.

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 61244983 - 2²¹ = 59147831 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 (61244903) 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, 270883 + ... + 271108.

It is an arithmetic number, because the mean of its divisors is an integer number (15446772).

Almost surely, 2^61244983 is an apocalyptic number.

61244983 is a deficient number, since it is larger than the sum of its proper divisors (542105).

61244983 is a wasteful number, since it uses less digits than its factorization.

61244983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542104.

The product of its digits is 41472, while the sum is 37.

The square root of 61244983 is about 7825.9173903128. The cubic root of 61244983 is about 394.1759952221.

The spelling of 61244983 in words is "sixty-one million, two hundred forty-four thousand, nine hundred eighty-three".