253031401 has 16 divisors (see below), whose sum is σ = 292913280. Its totient is φ = 214099200.

The previous prime is 253031399. The next prime is 253031413. The reversal of 253031401 is 104130352.

It is not a de Polignac number, because 253031401 - 2¹ = 253031399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253031201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305550 + ... + 306376.

It is an arithmetic number, because the mean of its divisors is an integer number (18307080).

Almost surely, 2^253031401 is an apocalyptic number.

It is an amenable number.

253031401 is a deficient number, since it is larger than the sum of its proper divisors (39881879).

253031401 is a wasteful number, since it uses less digits than its factorization.

253031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 253031401 is about 15906.9607719388. The cubic root of 253031401 is about 632.4965195328.

Adding to 253031401 its reverse (104130352), we get a palindrome (357161753).

The spelling of 253031401 in words is "two hundred fifty-three million, thirty-one thousand, four hundred one".