253530829 has 16 divisors (see below), whose sum is σ = 262828800. Its totient is φ = 244468224.

The previous prime is 253530811. The next prime is 253530899. The reversal of 253530829 is 928035352.

It is a cyclic number.

It is not a de Polignac number, because 253530829 - 2¹⁹ = 253006541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752149 + ... + 752485.

It is an arithmetic number, because the mean of its divisors is an integer number (16426800).

Almost surely, 2^253530829 is an apocalyptic number.

It is an amenable number.

253530829 is a deficient number, since it is larger than the sum of its proper divisors (9297971).

253530829 is a wasteful number, since it uses less digits than its factorization.

253530829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 253530829 is about 15922.6514437766. The cubic root of 253530829 is about 632.9123821070.

The spelling of 253530829 in words is "two hundred fifty-three million, five hundred thirty thousand, eight hundred twenty-nine".