52451121 has 4 divisors (see below), whose sum is σ = 69934832. Its totient is φ = 34967412.

The previous prime is 52451093. The next prime is 52451131. The reversal of 52451121 is 12115425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52451121 - 2⁶ = 52451057 is a prime.

It is a super-2 number, since 2×52451121² = 5502240188313282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52451131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8741851 + ... + 8741856.

It is an arithmetic number, because the mean of its divisors is an integer number (17483708).

Almost surely, 2^52451121 is an apocalyptic number.

It is an amenable number.

52451121 is a deficient number, since it is larger than the sum of its proper divisors (17483711).

52451121 is a wasteful number, since it uses less digits than its factorization.

52451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17483710.

The product of its digits is 400, while the sum is 21.

The square root of 52451121 is about 7242.3146161983. The cubic root of 52451121 is about 374.3273773759.

Adding to 52451121 its reverse (12115425), we get a palindrome (64566546).

The spelling of 52451121 in words is "fifty-two million, four hundred fifty-one thousand, one hundred twenty-one".