52144513 has 2 divisors, whose sum is σ = 52144514. Its totient is φ = 52144512.

The previous prime is 52144453. The next prime is 52144517. The reversal of 52144513 is 31544125.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48330304 + 3814209 = 6952^2 + 1953^2 .

It is a cyclic number.

It is not a de Polignac number, because 52144513 - 2¹³ = 52136321 is a prime.

It is equal to p_3121972 and since 52144513 and 3121972 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52144517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26072256 + 26072257.

It is an arithmetic number, because the mean of its divisors is an integer number (26072257).

Almost surely, 2^52144513 is an apocalyptic number.

It is an amenable number.

52144513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52144513 is an equidigital number, since it uses as much as digits as its factorization.

52144513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 52144513 is about 7221.1157725105. The cubic root of 52144513 is about 373.5965627822.

Adding to 52144513 its reverse (31544125), we get a palindrome (83688638).

The spelling of 52144513 in words is "fifty-two million, one hundred forty-four thousand, five hundred thirteen".