51230451 has 16 divisors (see below), whose sum is σ = 69530400. Its totient is φ = 33546240.

The previous prime is 51230437. The next prime is 51230461. The reversal of 51230451 is 15403215.

It is not a de Polignac number, because 51230451 - 2⁵ = 51230419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51230461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98071 + ... + 98591.

It is an arithmetic number, because the mean of its divisors is an integer number (4345650).

Almost surely, 2^51230451 is an apocalyptic number.

51230451 is a deficient number, since it is larger than the sum of its proper divisors (18299949).

51230451 is a wasteful number, since it uses less digits than its factorization.

51230451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51230451 is about 7157.5450400259. The cubic root of 51230451 is about 371.4007072151.

Adding to 51230451 its reverse (15403215), we get a palindrome (66633666).

It can be divided in two parts, 51230 and 451, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51230451 in words is "fifty-one million, two hundred thirty thousand, four hundred fifty-one".