253551849 has 8 divisors (see below), whose sum is σ = 342700512. Its totient is φ = 166718880.

The previous prime is 253551847. The next prime is 253551877. The reversal of 253551849 is 948155352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253551849 - 2¹ = 253551847 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 253551849.

It is not an unprimeable number, because it can be changed into a prime (253551847) 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, 578667 + ... + 579104.

It is an arithmetic number, because the mean of its divisors is an integer number (42837564).

Almost surely, 2^253551849 is an apocalyptic number.

It is an amenable number.

253551849 is a deficient number, since it is larger than the sum of its proper divisors (89148663).

253551849 is a wasteful number, since it uses less digits than its factorization.

253551849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157847.

The product of its digits is 216000, while the sum is 42.

The square root of 253551849 is about 15923.3114960425. The cubic root of 253551849 is about 632.9298730116.

The spelling of 253551849 in words is "two hundred fifty-three million, five hundred fifty-one thousand, eight hundred forty-nine".