253402206 has 16 divisors (see below), whose sum is σ = 507282048. Its totient is φ = 84387800.

The previous prime is 253402151. The next prime is 253402207. The reversal of 253402206 is 602204352.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253402207) 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, 12810 + ... + 25901.

It is an arithmetic number, because the mean of its divisors is an integer number (31705128).

Almost surely, 2^253402206 is an apocalyptic number.

253402206 is an abundant number, since it is smaller than the sum of its proper divisors (253879842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253402206 is a wasteful number, since it uses less digits than its factorization.

253402206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39807.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253402206 is about 15918.6119369749. The cubic root of 253402206 is about 632.8053328510.

Adding to 253402206 its reverse (602204352), we get a palindrome (855606558).

The spelling of 253402206 in words is "two hundred fifty-three million, four hundred two thousand, two hundred six".