253632013 has 8 divisors (see below), whose sum is σ = 255780000. Its totient is φ = 251492208.

The previous prime is 253631953. The next prime is 253632023. The reversal of 253632013 is 310236352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 253632013 - 2¹⁷ = 253500941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253632023) 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, 70738 + ... + 74236.

It is an arithmetic number, because the mean of its divisors is an integer number (31972500).

Almost surely, 2^253632013 is an apocalyptic number.

It is an amenable number.

253632013 is a deficient number, since it is larger than the sum of its proper divisors (2147987).

253632013 is a wasteful number, since it uses less digits than its factorization.

253632013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 253632013 is about 15925.8284870835. The cubic root of 253632013 is about 632.9965692242.

Adding to 253632013 its reverse (310236352), we get a palindrome (563868365).

The spelling of 253632013 in words is "two hundred fifty-three million, six hundred thirty-two thousand, thirteen".