253542967 has 4 divisors (see below), whose sum is σ = 254091040. Its totient is φ = 252994896.

The previous prime is 253542931. The next prime is 253542983. The reversal of 253542967 is 769245352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253542967 is a prime.

It is a super-2 number, since 2×253542967² = 128568072230326178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253542997) 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, 273342 + ... + 274267.

It is an arithmetic number, because the mean of its divisors is an integer number (63522760).

Almost surely, 2^253542967 is an apocalyptic number.

253542967 is a deficient number, since it is larger than the sum of its proper divisors (548073).

253542967 is an equidigital number, since it uses as much as digits as its factorization.

253542967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548072.

The product of its digits is 453600, while the sum is 43.

The square root of 253542967 is about 15923.0325943270. The cubic root of 253542967 is about 632.9224823487.

The spelling of 253542967 in words is "two hundred fifty-three million, five hundred forty-two thousand, nine hundred sixty-seven".