253140453 has 12 divisors (see below), whose sum is σ = 368884620. Its totient is φ = 167266176.

The previous prime is 253140431. The next prime is 253140491. The reversal of 253140453 is 354041352.

253140453 is a `hidden beast` number, since 253 + 1 + 404 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25070049 + 228070404 = 5007^2 + 15102^2 .

It is not a de Polignac number, because 253140453 - 2¹⁷ = 253009381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253140053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123438 + ... + 125471.

It is an arithmetic number, because the mean of its divisors is an integer number (30740385).

Almost surely, 2^253140453 is an apocalyptic number.

It is an amenable number.

253140453 is a deficient number, since it is larger than the sum of its proper divisors (115744167).

253140453 is a wasteful number, since it uses less digits than its factorization.

253140453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249028 (or 249025 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 253140453 is about 15910.3882102229. The cubic root of 253140453 is about 632.5873713711.

The spelling of 253140453 in words is "two hundred fifty-three million, one hundred forty thousand, four hundred fifty-three".