253441630 has 32 divisors (see below), whose sum is σ = 494047008. Its totient is φ = 93052800.

The previous prime is 253441621. The next prime is 253441631. The reversal of 253441630 is 36144352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253441631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18145 + ... + 28915.

It is an arithmetic number, because the mean of its divisors is an integer number (15438969).

Almost surely, 2^253441630 is an apocalyptic number.

253441630 is a deficient number, since it is larger than the sum of its proper divisors (240605378).

253441630 is a wasteful number, since it uses less digits than its factorization.

253441630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 253441630 is about 15919.8501877373. The cubic root of 253441630 is about 632.8381481714.

Adding to 253441630 its reverse (36144352), we get a palindrome (289585982).

The spelling of 253441630 in words is "two hundred fifty-three million, four hundred forty-one thousand, six hundred thirty".