253213678 has 8 divisors (see below), whose sum is σ = 380358360. Its totient is φ = 126427560.

The previous prime is 253213669. The next prime is 253213679. The reversal of 253213678 is 876312352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253213679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87868 + ... + 90703.

It is an arithmetic number, because the mean of its divisors is an integer number (47544795).

Almost surely, 2^253213678 is an apocalyptic number.

253213678 is a deficient number, since it is larger than the sum of its proper divisors (127144682).

253213678 is a wasteful number, since it uses less digits than its factorization.

253213678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179282.

The product of its digits is 60480, while the sum is 37.

The square root of 253213678 is about 15912.6892133291. The cubic root of 253213678 is about 632.6483608917.

The spelling of 253213678 in words is "two hundred fifty-three million, two hundred thirteen thousand, six hundred seventy-eight".