253245667 has 4 divisors (see below), whose sum is σ = 254531376. Its totient is φ = 251959960.

The previous prime is 253245659. The next prime is 253245677. The reversal of 253245667 is 766542352.

253245667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253245667 - 2³ = 253245659 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (253245677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642559 + ... + 642952.

It is an arithmetic number, because the mean of its divisors is an integer number (63632844).

Almost surely, 2^253245667 is an apocalyptic number.

253245667 is a deficient number, since it is larger than the sum of its proper divisors (1285709).

253245667 is a wasteful number, since it uses less digits than its factorization.

253245667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285708.

The product of its digits is 302400, while the sum is 40.

The square root of 253245667 is about 15913.6943228152. The cubic root of 253245667 is about 632.6750010222.

The spelling of 253245667 in words is "two hundred fifty-three million, two hundred forty-five thousand, six hundred sixty-seven".