253530514 has 4 divisors (see below), whose sum is σ = 380295774. Its totient is φ = 126765256.

The previous prime is 253530491. The next prime is 253530517. The reversal of 253530514 is 415035352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 201214225 + 52316289 = 14185^2 + 7233^2 .

It is not an unprimeable number, because it can be changed into a prime (253530517) by changing a digit.

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 as a sum of consecutive naturals, namely, 63382627 + ... + 63382630.

Almost surely, 2^253530514 is an apocalyptic number.

253530514 is a deficient number, since it is larger than the sum of its proper divisors (126765260).

253530514 is a wasteful number, since it uses less digits than its factorization.

253530514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126765259.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 253530514 is about 15922.6415522048. The cubic root of 253530514 is about 632.9121199857.

Adding to 253530514 its reverse (415035352), we get a palindrome (668565866).

The spelling of 253530514 in words is "two hundred fifty-three million, five hundred thirty thousand, five hundred fourteen".