253148308365 has 16 divisors (see below), whose sum is σ = 405842548608. Its totient is φ = 134744012736.

The previous prime is 253148308349. The next prime is 253148308367. The reversal of 253148308365 is 563803841352.

It is a happy number.

253148308365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253148308365 - 2⁴ = 253148308349 is a prime.

It is a super-2 number, since 2×253148308365² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253148308367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16768354 + ... + 16783443.

It is an arithmetic number, because the mean of its divisors is an integer number (25365159288).

Almost surely, 2^253148308365 is an apocalyptic number.

It is an amenable number.

253148308365 is a deficient number, since it is larger than the sum of its proper divisors (152694240243).

253148308365 is a wasteful number, since it uses less digits than its factorization.

253148308365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33552308.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 253148308365 in words is "two hundred fifty-three billion, one hundred forty-eight million, three hundred eight thousand, three hundred sixty-five".