20725483 has 2 divisors, whose sum is σ = 20725484. Its totient is φ = 20725482.

The previous prime is 20725477. The next prime is 20725487. The reversal of 20725483 is 38452702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20725483 - 2⁵ = 20725451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20725487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10362741 + 10362742.

It is an arithmetic number, because the mean of its divisors is an integer number (10362742).

Almost surely, 2^20725483 is an apocalyptic number.

20725483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20725483 is an equidigital number, since it uses as much as digits as its factorization.

20725483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 20725483 is about 4552.5249038308. The cubic root of 20725483 is about 274.6849637545.

The spelling of 20725483 in words is "twenty million, seven hundred twenty-five thousand, four hundred eighty-three".