253725433 has 16 divisors (see below), whose sum is σ = 277791696. Its totient is φ = 230342400.

The previous prime is 253725431. The next prime is 253725473. The reversal of 253725433 is 334527352.

It can be written as a sum of positive squares in 8 ways, for example, as 660969 + 253064464 = 813^2 + 15908^2 .

It is a cyclic number.

It is not a de Polignac number, because 253725433 - 2¹ = 253725431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253725431) 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, 226591 + ... + 227707.

It is an arithmetic number, because the mean of its divisors is an integer number (17361981).

Almost surely, 2^253725433 is an apocalyptic number.

It is an amenable number.

253725433 is a deficient number, since it is larger than the sum of its proper divisors (24066263).

253725433 is a wasteful number, since it uses less digits than its factorization.

253725433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its digits is 75600, while the sum is 34.

The square root of 253725433 is about 15928.7611884917. The cubic root of 253725433 is about 633.0742766608.

The spelling of 253725433 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, four hundred thirty-three".