253107745 has 8 divisors (see below), whose sum is σ = 331341120. Its totient is φ = 184078320.

The previous prime is 253107733. The next prime is 253107769. The reversal of 253107745 is 547701352.

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

It is not a de Polignac number, because 253107745 - 2⁹ = 253107233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253107745.

It is an unprimeable number.

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, 2300925 + ... + 2301034.

It is an arithmetic number, because the mean of its divisors is an integer number (41417640).

Almost surely, 2^253107745 is an apocalyptic number.

It is an amenable number.

253107745 is a deficient number, since it is larger than the sum of its proper divisors (78233375).

253107745 is a wasteful number, since it uses less digits than its factorization.

253107745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601975.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 253107745 is about 15909.3602951219. The cubic root of 253107745 is about 632.5601248910.

The spelling of 253107745 in words is "two hundred fifty-three million, one hundred seven thousand, seven hundred forty-five".