253530465 has 8 divisors (see below), whose sum is σ = 405648768. Its totient is φ = 135216240.

The previous prime is 253530463. The next prime is 253530491. The reversal of 253530465 is 564035352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253530465 - 2¹ = 253530463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253530461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8451001 + ... + 8451030.

It is an arithmetic number, because the mean of its divisors is an integer number (50706096).

Almost surely, 2^253530465 is an apocalyptic number.

It is an amenable number.

253530465 is a deficient number, since it is larger than the sum of its proper divisors (152118303).

253530465 is a wasteful number, since it uses less digits than its factorization.

253530465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16902039.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 253530465 is about 15922.6400135153. The cubic root of 253530465 is about 632.9120792113.

The spelling of 253530465 in words is "two hundred fifty-three million, five hundred thirty thousand, four hundred sixty-five".