51225023 has 2 divisors, whose sum is σ = 51225024. Its totient is φ = 51225022.

The previous prime is 51224963. The next prime is 51225059. The reversal of 51225023 is 32052215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51225023 - 2¹² = 51220927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51224986 and 51225004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51227023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25612511 + 25612512.

It is an arithmetic number, because the mean of its divisors is an integer number (25612512).

Almost surely, 2^51225023 is an apocalyptic number.

51225023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51225023 is an equidigital number, since it uses as much as digits as its factorization.

51225023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51225023 is about 7157.1658496922. The cubic root of 51225023 is about 371.3875897938.

Adding to 51225023 its reverse (32052215), we get a palindrome (83277238).

The spelling of 51225023 in words is "fifty-one million, two hundred twenty-five thousand, twenty-three".