52451474 has 4 divisors (see below), whose sum is σ = 78677214. Its totient is φ = 26225736.

The previous prime is 52451471. The next prime is 52451491. The reversal of 52451474 is 47415425.

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., 44289025 + 8162449 = 6655^2 + 2857^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52451474.

It is not an unprimeable number, because it can be changed into a prime (52451471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13112867 + ... + 13112870.

Almost surely, 2^52451474 is an apocalyptic number.

52451474 is a deficient number, since it is larger than the sum of its proper divisors (26225740).

52451474 is a wasteful number, since it uses less digits than its factorization.

52451474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225739.

The product of its digits is 22400, while the sum is 32.

The square root of 52451474 is about 7242.3389868191. The cubic root of 52451474 is about 374.3282171245.

Adding to 52451474 its reverse (47415425), we get a palindrome (99866899).

It can be divided in two parts, 52451 and 474, that added together give a palindrome (52925).

The spelling of 52451474 in words is "fifty-two million, four hundred fifty-one thousand, four hundred seventy-four".