51230434 has 4 divisors (see below), whose sum is σ = 76845654. Its totient is φ = 25615216.

The previous prime is 51230429. The next prime is 51230437. The reversal of 51230434 is 43403215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51165409 + 65025 = 7153^2 + 255^2 .

It is not an unprimeable number, because it can be changed into a prime (51230437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12807607 + ... + 12807610.

Almost surely, 2^51230434 is an apocalyptic number.

51230434 is a deficient number, since it is larger than the sum of its proper divisors (25615220).

51230434 is a wasteful number, since it uses less digits than its factorization.

51230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25615219.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51230434 is about 7157.5438524678. The cubic root of 51230434 is about 371.4006661340.

Adding to 51230434 its reverse (43403215), we get a palindrome (94633649).

The spelling of 51230434 in words is "fifty-one million, two hundred thirty thousand, four hundred thirty-four".