253504415 has 16 divisors (see below), whose sum is σ = 310124160. Its totient is φ = 198875040.

The previous prime is 253504411. The next prime is 253504421. The reversal of 253504415 is 514405352.

It is not a de Polignac number, because 253504415 - 2² = 253504411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253504411) 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, 160580 + ... + 162150.

It is an arithmetic number, because the mean of its divisors is an integer number (19382760).

Almost surely, 2^253504415 is an apocalyptic number.

253504415 is a deficient number, since it is larger than the sum of its proper divisors (56619745).

253504415 is a wasteful number, since it uses less digits than its factorization.

253504415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 253504415 is about 15921.8219748872. The cubic root of 253504415 is about 632.8904014425.

Adding to 253504415 its reverse (514405352), we get a palindrome (767909767).

The spelling of 253504415 in words is "two hundred fifty-three million, five hundred four thousand, four hundred fifteen".