253148506 has 16 divisors (see below), whose sum is σ = 413862624. Its totient is φ = 115429104.

The previous prime is 253148503. The next prime is 253148509. The reversal of 253148506 is 605841352.

It is an interprime number because it is at equal distance from previous prime (253148503) and next prime (253148509).

It is not an unprimeable number, because it can be changed into a prime (253148501) 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 7 ways as a sum of consecutive naturals, for example, 56496 + ... + 60811.

It is an arithmetic number, because the mean of its divisors is an integer number (25866414).

Almost surely, 2^253148506 is an apocalyptic number.

253148506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

253148506 is a deficient number, since it is larger than the sum of its proper divisors (160714118).

253148506 is a wasteful number, since it uses less digits than its factorization.

253148506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117405.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 253148506 is about 15910.6412818591. The cubic root of 253148506 is about 632.5940793364.

Adding to 253148506 its reverse (605841352), we get a palindrome (858989858).

The spelling of 253148506 in words is "two hundred fifty-three million, one hundred forty-eight thousand, five hundred six".