51025151 has 2 divisors, whose sum is σ = 51025152. Its totient is φ = 51025150.

The previous prime is 51025129. The next prime is 51025187. The reversal of 51025151 is 15152015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51025151 - 2⁶ = 51025087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51025451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512575 + 25512576.

It is an arithmetic number, because the mean of its divisors is an integer number (25512576).

Almost surely, 2^51025151 is an apocalyptic number.

51025151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51025151 is an equidigital number, since it uses as much as digits as its factorization.

51025151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 51025151 is about 7143.1891337133. The cubic root of 51025151 is about 370.9039281612.

Adding to 51025151 its reverse (15152015), we get a palindrome (66177166).

It can be divided in two parts, 51025 and 151, that multiplied together give a triangular number (7704775 = T₃₉₂₅).

The spelling of 51025151 in words is "fifty-one million, twenty-five thousand, one hundred fifty-one".