253763949 has 8 divisors (see below), whose sum is σ = 350019360. Its totient is φ = 163342256.

The previous prime is 253763933. The next prime is 253763957. The reversal of 253763949 is 949367352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253763949 - 2⁴ = 253763933 is a prime.

It is a super-2 number, since 2×253763949² = 128792283624149202, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253763898 and 253763907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253763929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458327 + ... + 1458500.

It is an arithmetic number, because the mean of its divisors is an integer number (43752420).

Almost surely, 2^253763949 is an apocalyptic number.

253763949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

253763949 is a deficient number, since it is larger than the sum of its proper divisors (96255411).

253763949 is a wasteful number, since it uses less digits than its factorization.

253763949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916859.

The product of its digits is 1224720, while the sum is 48.

The square root of 253763949 is about 15929.9701506312. The cubic root of 253763949 is about 633.1063089970.

The spelling of 253763949 in words is "two hundred fifty-three million, seven hundred sixty-three thousand, nine hundred forty-nine".