253753261 has 8 divisors (see below), whose sum is σ = 257540864. Its totient is φ = 249989760.

The previous prime is 253753217. The next prime is 253753267. The reversal of 253753261 is 162357352.

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 253753261 - 2⁷ = 253753133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253753267) 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, 15766 + ... + 27496.

It is an arithmetic number, because the mean of its divisors is an integer number (32192608).

Almost surely, 2^253753261 is an apocalyptic number.

It is an amenable number.

253753261 is a deficient number, since it is larger than the sum of its proper divisors (3787603).

253753261 is a wasteful number, since it uses less digits than its factorization.

253753261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051.

The product of its digits is 37800, while the sum is 34.

The square root of 253753261 is about 15929.6346787991. The cubic root of 253753261 is about 633.0974205066.

The spelling of 253753261 in words is "two hundred fifty-three million, seven hundred fifty-three thousand, two hundred sixty-one".