253907849 has 16 divisors (see below), whose sum is σ = 288718080. Its totient is φ = 221356800.

The previous prime is 253907831. The next prime is 253907867. The reversal of 253907849 is 948709352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253907831) and next prime (253907867).

It is a cyclic number.

It is not a de Polignac number, because 253907849 - 2⁸ = 253907593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253907809) 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 15 ways as a sum of consecutive naturals, for example, 89249 + ... + 92049.

It is an arithmetic number, because the mean of its divisors is an integer number (18044880).

Almost surely, 2^253907849 is an apocalyptic number.

It is an amenable number.

253907849 is a deficient number, since it is larger than the sum of its proper divisors (34810231).

253907849 is a wasteful number, since it uses less digits than its factorization.

253907849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 253907849 is about 15934.4861542505. The cubic root of 253907849 is about 633.2259566500.

The spelling of 253907849 in words is "two hundred fifty-three million, nine hundred seven thousand, eight hundred forty-nine".