253086647 has 8 divisors (see below), whose sum is σ = 276210432. Its totient is φ = 229982200.

The previous prime is 253086643. The next prime is 253086731. The reversal of 253086647 is 746680352.

It is a happy number.

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 253086647 - 2² = 253086643 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 (253086643) 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, 44288 + ... + 49674.

It is an arithmetic number, because the mean of its divisors is an integer number (34526304).

Almost surely, 2^253086647 is an apocalyptic number.

253086647 is a deficient number, since it is larger than the sum of its proper divisors (23123785).

253086647 is a wasteful number, since it uses less digits than its factorization.

253086647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 253086647 is about 15908.6972125313. The cubic root of 253086647 is about 632.5425485497.

The spelling of 253086647 in words is "two hundred fifty-three million, eighty-six thousand, six hundred forty-seven".