253530502 has 8 divisors (see below), whose sum is σ = 388387296. Its totient is φ = 124068072.

The previous prime is 253530491. The next prime is 253530517. The reversal of 253530502 is 205035352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348473 + ... + 1348660.

It is an arithmetic number, because the mean of its divisors is an integer number (48548412).

Almost surely, 2^253530502 is an apocalyptic number.

253530502 is a deficient number, since it is larger than the sum of its proper divisors (134856794).

253530502 is a wasteful number, since it uses less digits than its factorization.

253530502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697182.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 253530502 is about 15922.6411753829. The cubic root of 253530502 is about 632.9121100002.

Adding to 253530502 its reverse (205035352), we get a palindrome (458565854).

The spelling of 253530502 in words is "two hundred fifty-three million, five hundred thirty thousand, five hundred two".