253064930 has 24 divisors (see below), whose sum is σ = 464784156. Its totient is φ = 99172320.

The previous prime is 253064909. The next prime is 253064957. The reversal of 253064930 is 39460352.

It can be written as a sum of positive squares in 2 ways, for example, as 252587449 + 477481 = 15893^2 + 691^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365885 + ... + 366575.

Almost surely, 2^253064930 is an apocalyptic number.

253064930 is a deficient number, since it is larger than the sum of its proper divisors (211719226).

253064930 is an frugal number, since it uses more digits than its factorization.

253064930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 253064930 is about 15908.0146467119. The cubic root of 253064930 is about 632.5244555111.

The spelling of 253064930 in words is "two hundred fifty-three million, sixty-four thousand, nine hundred thirty".