51262207 has 2 divisors, whose sum is σ = 51262208. Its totient is φ = 51262206.

The previous prime is 51262187. The next prime is 51262217. The reversal of 51262207 is 70226215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51262207 - 2¹⁵ = 51229439 is a prime.

It is equal to p_3072229 and since 51262207 and 3072229 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51262217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25631103 + 25631104.

It is an arithmetic number, because the mean of its divisors is an integer number (25631104).

Almost surely, 2^51262207 is an apocalyptic number.

51262207 is a deficient number, since it is larger than the sum of its proper divisors (1).

51262207 is an equidigital number, since it uses as much as digits as its factorization.

51262207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 51262207 is about 7159.7630547386. The cubic root of 51262207 is about 371.4774308858.

The spelling of 51262207 in words is "fifty-one million, two hundred sixty-two thousand, two hundred seven".