253030215 has 32 divisors (see below), whose sum is σ = 425834496. Its totient is φ = 128119680.

The previous prime is 253030177. The next prime is 253030241. The reversal of 253030215 is 512030352.

It is not a de Polignac number, because 253030215 - 2⁹ = 253029703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253030191 and 253030200.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19512 + ... + 29778.

It is an arithmetic number, because the mean of its divisors is an integer number (13307328).

Almost surely, 2^253030215 is an apocalyptic number.

253030215 is a deficient number, since it is larger than the sum of its proper divisors (172804281).

253030215 is a wasteful number, since it uses less digits than its factorization.

253030215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 253030215 is about 15906.9234926179. The cubic root of 253030215 is about 632.4955313260.

Adding to 253030215 its reverse (512030352), we get a palindrome (765060567).

The spelling of 253030215 in words is "two hundred fifty-three million, thirty thousand, two hundred fifteen".