51632351 has 2 divisors, whose sum is σ = 51632352. Its totient is φ = 51632350.

The previous prime is 51632327. The next prime is 51632387. The reversal of 51632351 is 15323615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51632351 - 2²² = 47438047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51632351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51632851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25816175 + 25816176.

It is an arithmetic number, because the mean of its divisors is an integer number (25816176).

Almost surely, 2^51632351 is an apocalyptic number.

51632351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51632351 is an equidigital number, since it uses as much as digits as its factorization.

51632351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 51632351 is about 7185.5654613955. The cubic root of 51632351 is about 372.3693844114.

Adding to 51632351 its reverse (15323615), we get a palindrome (66955966).

The spelling of 51632351 in words is "fifty-one million, six hundred thirty-two thousand, three hundred fifty-one".