253353406 has 8 divisors (see below), whose sum is σ = 388116000. Its totient is φ = 123981408.

The previous prime is 253353403. The next prime is 253353407. The reversal of 253353406 is 604353352.

It is a happy number.

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 (253353403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347531 + ... + 1347718.

It is an arithmetic number, because the mean of its divisors is an integer number (48514500).

Almost surely, 2^253353406 is an apocalyptic number.

253353406 is a deficient number, since it is larger than the sum of its proper divisors (134762594).

253353406 is a wasteful number, since it uses less digits than its factorization.

253353406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695298.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 253353406 is about 15917.0790662106. The cubic root of 253353406 is about 632.7647085233.

The spelling of 253353406 in words is "two hundred fifty-three million, three hundred fifty-three thousand, four hundred six".