61325983 has 4 divisors (see below), whose sum is σ = 62983480. Its totient is φ = 59668488.

The previous prime is 61325963. The next prime is 61325989. The reversal of 61325983 is 38952316.

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 61325983 - 2¹³ = 61317791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1657459 = 61325983 / (6 + 1 + 3 + 2 + 5 + 9 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61325989) 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, 828693 + ... + 828766.

It is an arithmetic number, because the mean of its divisors is an integer number (15745870).

Almost surely, 2^61325983 is an apocalyptic number.

61325983 is a deficient number, since it is larger than the sum of its proper divisors (1657497).

61325983 is a wasteful number, since it uses less digits than its factorization.

61325983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657496.

The product of its digits is 38880, while the sum is 37.

The square root of 61325983 is about 7831.0907924758. The cubic root of 61325983 is about 394.3496921180.

The spelling of 61325983 in words is "sixty-one million, three hundred twenty-five thousand, nine hundred eighty-three".