52145253 has 12 divisors (see below), whose sum is σ = 79285440. Its totient is φ = 32933736.

The previous prime is 52145251. The next prime is 52145257. The reversal of 52145253 is 35254125.

It is a happy number.

It is not a de Polignac number, because 52145253 - 2¹ = 52145251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152301 + ... + 152642.

It is an arithmetic number, because the mean of its divisors is an integer number (6607120).

Almost surely, 2^52145253 is an apocalyptic number.

It is an amenable number.

52145253 is a deficient number, since it is larger than the sum of its proper divisors (27140187).

52145253 is a wasteful number, since it uses less digits than its factorization.

52145253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304968 (or 304965 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52145253 is about 7221.1670109477. The cubic root of 52145253 is about 373.5983300512.

Adding to 52145253 its reverse (35254125), we get a palindrome (87399378).

The spelling of 52145253 in words is "fifty-two million, one hundred forty-five thousand, two hundred fifty-three".