51028452313 has 2 divisors, whose sum is σ = 51028452314. Its totient is φ = 51028452312.

The previous prime is 51028452269. The next prime is 51028452341. The reversal of 51028452313 is 31325482015.

51028452313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41512840009 + 9515612304 = 203747^2 + 97548^2 .

It is a cyclic number.

It is not a de Polignac number, because 51028452313 - 2¹³ = 51028444121 is a prime.

It is not a weakly prime, because it can be changed into another prime (51028450313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25514226156 + 25514226157.

It is an arithmetic number, because the mean of its divisors is an integer number (25514226157).

Almost surely, 2^51028452313 is an apocalyptic number.

It is an amenable number.

51028452313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51028452313 is an equidigital number, since it uses as much as digits as its factorization.

51028452313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 51028452313 in words is "fifty-one billion, twenty-eight million, four hundred fifty-two thousand, three hundred thirteen".