253565672 has 32 divisors (see below), whose sum is σ = 482630400. Its totient is φ = 124879104.

The previous prime is 253565671. The next prime is 253565677. The reversal of 253565672 is 276565352.

It is a super-3 number, since 3×253565672³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (253565671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161033 + ... + 162599.

It is an arithmetic number, because the mean of its divisors is an integer number (15082200).

Almost surely, 2^253565672 is an apocalyptic number.

It is an amenable number.

253565672 is a deficient number, since it is larger than the sum of its proper divisors (229064728).

253565672 is a wasteful number, since it uses less digits than its factorization.

253565672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1861 counting only the distinct ones).

The product of its digits is 378000, while the sum is 41.

The square root of 253565672 is about 15923.7455392882. The cubic root of 253565672 is about 632.9413747100.

The spelling of 253565672 in words is "two hundred fifty-three million, five hundred sixty-five thousand, six hundred seventy-two".