253305652 has 6 divisors (see below), whose sum is σ = 443284898. Its totient is φ = 126652824.

The previous prime is 253305641. The next prime is 253305653. The reversal of 253305652 is 256503352.

It can be written as a sum of positive squares in only one way, i.e., 152423716 + 100881936 = 12346^2 + 10044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253305653) 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, 31663203 + ... + 31663210.

Almost surely, 2^253305652 is an apocalyptic number.

It is an amenable number.

253305652 is a deficient number, since it is larger than the sum of its proper divisors (189979246).

253305652 is a wasteful number, since it uses less digits than its factorization.

253305652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63326417 (or 63326415 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 253305652 is about 15915.5789087296. The cubic root of 253305652 is about 632.7249499043.

The spelling of 253305652 in words is "two hundred fifty-three million, three hundred five thousand, six hundred fifty-two".