253651265 has 8 divisors (see below), whose sum is σ = 347864640. Its totient is φ = 173932272.

The previous prime is 253651261. The next prime is 253651267. The reversal of 253651265 is 562156352.

253651265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253651265 - 2² = 253651261 is a prime.

It is a super-2 number, since 2×253651265² = 128677928472200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 7247179 = 253651265 / (2 + 5 + 3 + 6 + 5 + 1 + 2 + 6 + 5).

It is not an unprimeable number, because it can be changed into a prime (253651261) 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, 3623555 + ... + 3623624.

It is an arithmetic number, because the mean of its divisors is an integer number (43483080).

Almost surely, 2^253651265 is an apocalyptic number.

It is an amenable number.

253651265 is a deficient number, since it is larger than the sum of its proper divisors (94213375).

253651265 is an equidigital number, since it uses as much as digits as its factorization.

253651265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247191.

The product of its digits is 54000, while the sum is 35.

The square root of 253651265 is about 15926.4329025680. The cubic root of 253651265 is about 633.0125847388.

The spelling of 253651265 in words is "two hundred fifty-three million, six hundred fifty-one thousand, two hundred sixty-five".