51470351 has 2 divisors, whose sum is σ = 51470352. Its totient is φ = 51470350.

The previous prime is 51470303. The next prime is 51470357. The reversal of 51470351 is 15307415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51470351 - 2¹⁸ = 51208207 is a prime.

It is a Sophie Germain prime.

It is equal to p_3083921 and since 51470351 and 3083921 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51470351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51470357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25735175 + 25735176.

It is an arithmetic number, because the mean of its divisors is an integer number (25735176).

Almost surely, 2^51470351 is an apocalyptic number.

51470351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51470351 is an equidigital number, since it uses as much as digits as its factorization.

51470351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51470351 is about 7174.2840060873. The cubic root of 51470351 is about 371.9795316714.

Adding to 51470351 its reverse (15307415), we get a palindrome (66777766).

The spelling of 51470351 in words is "fifty-one million, four hundred seventy thousand, three hundred fifty-one".