253506506 has 16 divisors (see below), whose sum is σ = 432865728. Its totient is φ = 110220000.

The previous prime is 253506503. The next prime is 253506509. The reversal of 253506506 is 605605352.

253506506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253506503) and next prime (253506509).

It is a super-3 number, since 3×253506506³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (253506503) 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, 249995 + ... + 251006.

It is an arithmetic number, because the mean of its divisors is an integer number (27054108).

Almost surely, 2^253506506 is an apocalyptic number.

253506506 is a deficient number, since it is larger than the sum of its proper divisors (179359222).

253506506 is a wasteful number, since it uses less digits than its factorization.

253506506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501037.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 253506506 is about 15921.8876393473. The cubic root of 253506506 is about 632.8921415440.

The spelling of 253506506 in words is "two hundred fifty-three million, five hundred six thousand, five hundred six".