253677893 has 16 divisors (see below), whose sum is σ = 307569024. Its totient is φ = 204249600.

The previous prime is 253677889. The next prime is 253677899. The reversal of 253677893 is 398776352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 253677893 - 2² = 253677889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253677899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69746 + ... + 73292.

It is an arithmetic number, because the mean of its divisors is an integer number (19223064).

Almost surely, 2^253677893 is an apocalyptic number.

It is an amenable number.

253677893 is a deficient number, since it is larger than the sum of its proper divisors (53891131).

253677893 is a wasteful number, since it uses less digits than its factorization.

253677893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172.

The product of its digits is 1905120, while the sum is 50.

The square root of 253677893 is about 15927.2688493665. The cubic root of 253677893 is about 633.0347349264.

The spelling of 253677893 in words is "two hundred fifty-three million, six hundred seventy-seven thousand, eight hundred ninety-three".