253313530 has 8 divisors (see below), whose sum is σ = 455964372. Its totient is φ = 101325408.

The previous prime is 253313527. The next prime is 253313531. The reversal of 253313530 is 35313352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 237560569 + 15752961 = 15413^2 + 3969^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 253313495 and 253313504.

It is not an unprimeable number, because it can be changed into a prime (253313531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12665667 + ... + 12665686.

Almost surely, 2^253313530 is an apocalyptic number.

253313530 is a deficient number, since it is larger than the sum of its proper divisors (202650842).

253313530 is a wasteful number, since it uses less digits than its factorization.

253313530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331360.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 253313530 is about 15915.8264001591. The cubic root of 253313530 is about 632.7315092467.

Adding to 253313530 its reverse (35313352), we get a palindrome (288626882).

The spelling of 253313530 in words is "two hundred fifty-three million, three hundred thirteen thousand, five hundred thirty".