253544225 has 24 divisors (see below), whose sum is σ = 344094048. Its totient is φ = 183795200.

The previous prime is 253544219. The next prime is 253544231. The reversal of 253544225 is 522445352.

253544225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253544219) and next prime (253544231).

It is not a de Polignac number, because 253544225 - 2²² = 249349921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253544191 and 253544200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94097 + ... + 96753.

It is an arithmetic number, because the mean of its divisors is an integer number (14337252).

Almost surely, 2^253544225 is an apocalyptic number.

253544225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253544225 is a deficient number, since it is larger than the sum of its proper divisors (90549823).

253544225 is a wasteful number, since it uses less digits than its factorization.

253544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3020 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 253544225 is about 15923.0720968034. The cubic root of 253544225 is about 632.9235291340.

Adding to 253544225 its reverse (522445352), we get a palindrome (775989577).

The spelling of 253544225 in words is "two hundred fifty-three million, five hundred forty-four thousand, two hundred twenty-five".