253541929 has 3 divisors (see below), whose sum is σ = 253557853. Its totient is φ = 253526006.

The previous prime is 253541891. The next prime is 253541941. The reversal of 253541929 is 929145352.

The square root of 253541929 is 15923.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 253541929 - 2¹³ = 253533737 is a prime.

It is a super-2 number, since 2×253541929² = 128567019522082082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253541891 and 253541900.

It is not an unprimeable number, because it can be changed into a prime (253541999) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7962 + ... + 23884.

Almost surely, 2^253541929 is an apocalyptic number.

253541929 is the 15923-rd square number.

253541929 is the 7962-nd centered octagonal number.

It is an amenable number.

253541929 is a deficient number, since it is larger than the sum of its proper divisors (15924).

253541929 is an frugal number, since it uses more digits than its factorization.

253541929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846 (or 15923 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The cubic root of 253541929 is about 632.9216186233.

The spelling of 253541929 in words is "two hundred fifty-three million, five hundred forty-one thousand, nine hundred twenty-nine".