253051345 has 8 divisors (see below), whose sum is σ = 310723776. Its totient is φ = 197732976.

The previous prime is 253051321. The next prime is 253051349. The reversal of 253051345 is 543150352.

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 253051345 - 2⁷ = 253051217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253051349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588277 + ... + 588706.

It is an arithmetic number, because the mean of its divisors is an integer number (38840472).

Almost surely, 2^253051345 is an apocalyptic number.

It is an amenable number.

253051345 is a deficient number, since it is larger than the sum of its proper divisors (57672431).

253051345 is a wasteful number, since it uses less digits than its factorization.

253051345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177031.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 253051345 is about 15907.5876549526. The cubic root of 253051345 is about 632.5131369422.

The spelling of 253051345 in words is "two hundred fifty-three million, fifty-one thousand, three hundred forty-five".