52122451 has 4 divisors (see below), whose sum is σ = 52532992. Its totient is φ = 51711912.

The previous prime is 52122443. The next prime is 52122463. The reversal of 52122451 is 15422125.

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

It is a cyclic number.

It is not a de Polignac number, because 52122451 - 2³ = 52122443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52122401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205080 + ... + 205333.

It is an arithmetic number, because the mean of its divisors is an integer number (13133248).

Almost surely, 2^52122451 is an apocalyptic number.

52122451 is a deficient number, since it is larger than the sum of its proper divisors (410541).

52122451 is a wasteful number, since it uses less digits than its factorization.

52122451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410540.

The product of its digits is 800, while the sum is 22.

The square root of 52122451 is about 7219.5880076359. The cubic root of 52122451 is about 373.5438666013.

Adding to 52122451 its reverse (15422125), we get a palindrome (67544576).

The spelling of 52122451 in words is "fifty-two million, one hundred twenty-two thousand, four hundred fifty-one".