51703573 has 2 divisors, whose sum is σ = 51703574. Its totient is φ = 51703572.

The previous prime is 51703543. The next prime is 51703601. The reversal of 51703573 is 37530715.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42081169 + 9622404 = 6487^2 + 3102^2 .

It is a cyclic number.

It is not a de Polignac number, because 51703573 - 2¹⁷ = 51572501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51703523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25851786 + 25851787.

It is an arithmetic number, because the mean of its divisors is an integer number (25851787).

Almost surely, 2^51703573 is an apocalyptic number.

It is an amenable number.

51703573 is a deficient number, since it is larger than the sum of its proper divisors (1).

51703573 is an equidigital number, since it uses as much as digits as its factorization.

51703573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 51703573 is about 7190.5196613319. The cubic root of 51703573 is about 372.5405219944.

The spelling of 51703573 in words is "fifty-one million, seven hundred three thousand, five hundred seventy-three".