51252107 has 2 divisors, whose sum is σ = 51252108. Its totient is φ = 51252106.

The previous prime is 51252031. The next prime is 51252109. The reversal of 51252107 is 70125215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51252107 - 2¹⁸ = 50989963 is a prime.

Together with 51252109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51252109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25626053 + 25626054.

It is an arithmetic number, because the mean of its divisors is an integer number (25626054).

Almost surely, 2^51252107 is an apocalyptic number.

51252107 is a deficient number, since it is larger than the sum of its proper divisors (1).

51252107 is an equidigital number, since it uses as much as digits as its factorization.

51252107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 51252107 is about 7159.0576893890. The cubic root of 51252107 is about 371.4530323493.

The spelling of 51252107 in words is "fifty-one million, two hundred fifty-two thousand, one hundred seven".