51652723 has 2 divisors, whose sum is σ = 51652724. Its totient is φ = 51652722.

The previous prime is 51652673. The next prime is 51652739. The reversal of 51652723 is 32725615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51652723 is a prime.

It is not a weakly prime, because it can be changed into another prime (51652753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25826361 + 25826362.

It is an arithmetic number, because the mean of its divisors is an integer number (25826362).

Almost surely, 2^51652723 is an apocalyptic number.

51652723 is a deficient number, since it is larger than the sum of its proper divisors (1).

51652723 is an equidigital number, since it uses as much as digits as its factorization.

51652723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 51652723 is about 7186.9828857456. The cubic root of 51652723 is about 372.4183518480.

The spelling of 51652723 in words is "fifty-one million, six hundred fifty-two thousand, seven hundred twenty-three".