51625463 has 2 divisors, whose sum is σ = 51625464. Its totient is φ = 51625462.

The previous prime is 51625439. The next prime is 51625477. The reversal of 51625463 is 36452615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51625463 - 2¹⁰ = 51624439 is a prime.

It is a Chen prime.

It is equal to p_3092747 and since 51625463 and 3092747 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 (51625493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25812731 + 25812732.

It is an arithmetic number, because the mean of its divisors is an integer number (25812732).

Almost surely, 2^51625463 is an apocalyptic number.

51625463 is a deficient number, since it is larger than the sum of its proper divisors (1).

51625463 is an equidigital number, since it uses as much as digits as its factorization.

51625463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 51625463 is about 7185.0861511884. The cubic root of 51625463 is about 372.3528250622.

The spelling of 51625463 in words is "fifty-one million, six hundred twenty-five thousand, four hundred sixty-three".