52251453 has 8 divisors (see below), whose sum is σ = 77409600. Its totient is φ = 34834284.

The previous prime is 52251449. The next prime is 52251457. The reversal of 52251453 is 35415225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52251449) and next prime (52251457).

It is not a de Polignac number, because 52251453 - 2² = 52251449 is a prime.

It is a super-2 number, since 2×52251453² = 5460428681222418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1935239 = 52251453 / (5 + 2 + 2 + 5 + 1 + 4 + 5 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967593 + ... + 967646.

It is an arithmetic number, because the mean of its divisors is an integer number (9676200).

Almost surely, 2^52251453 is an apocalyptic number.

It is an amenable number.

52251453 is a deficient number, since it is larger than the sum of its proper divisors (25158147).

52251453 is a wasteful number, since it uses less digits than its factorization.

52251453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935248 (or 1935242 counting only the distinct ones).

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

The square root of 52251453 is about 7228.5166528134. The cubic root of 52251453 is about 373.8517838541.

Adding to 52251453 its reverse (35415225), we get a palindrome (87666678).

The spelling of 52251453 in words is "fifty-two million, two hundred fifty-one thousand, four hundred fifty-three".