253107473 has 4 divisors (see below), whose sum is σ = 259280868. Its totient is φ = 246934080.

The previous prime is 253107469. The next prime is 253107487. The reversal of 253107473 is 374701352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100140049 + 152967424 = 10007^2 + 12368^2 .

It is a cyclic number.

It is not a de Polignac number, because 253107473 - 2² = 253107469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253107773) 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 3 ways as a sum of consecutive naturals, for example, 3086636 + ... + 3086717.

It is an arithmetic number, because the mean of its divisors is an integer number (64820217).

Almost surely, 2^253107473 is an apocalyptic number.

It is an amenable number.

253107473 is a deficient number, since it is larger than the sum of its proper divisors (6173395).

253107473 is an equidigital number, since it uses as much as digits as its factorization.

253107473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173394.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 253107473 is about 15909.3517466929. The cubic root of 253107473 is about 632.5598982992.

The spelling of 253107473 in words is "two hundred fifty-three million, one hundred seven thousand, four hundred seventy-three".