51725783 has 2 divisors, whose sum is σ = 51725784. Its totient is φ = 51725782.

The previous prime is 51725777. The next prime is 51725801. The reversal of 51725783 is 38752715.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51725783 - 2¹⁶ = 51660247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51725753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25862891 + 25862892.

It is an arithmetic number, because the mean of its divisors is an integer number (25862892).

Almost surely, 2^51725783 is an apocalyptic number.

51725783 is a deficient number, since it is larger than the sum of its proper divisors (1).

51725783 is an equidigital number, since it uses as much as digits as its factorization.

51725783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 38.

The square root of 51725783 is about 7192.0638901500. The cubic root of 51725783 is about 372.5938577057.

The spelling of 51725783 in words is "fifty-one million, seven hundred twenty-five thousand, seven hundred eighty-three".