253631241 has 12 divisors (see below), whose sum is σ = 371517120. Its totient is φ = 166705560.

The previous prime is 253631239. The next prime is 253631249. The reversal of 253631241 is 142136352.

253631241 is a `hidden beast` number, since 2 + 5 + 3 + 631 + 24 + 1 = 666.

253631241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253631241 - 2¹ = 253631239 is a prime.

It is a super-2 number, since 2×253631241² = 128657612822400162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253631249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197821 + ... + 199098.

It is an arithmetic number, because the mean of its divisors is an integer number (30959760).

Almost surely, 2^253631241 is an apocalyptic number.

It is an amenable number.

253631241 is a deficient number, since it is larger than the sum of its proper divisors (117885879).

253631241 is a wasteful number, since it uses less digits than its factorization.

253631241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396996 (or 396993 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 253631241 is about 15925.8042497075. The cubic root of 253631241 is about 632.9959269895.

Adding to 253631241 its reverse (142136352), we get a palindrome (395767593).

The spelling of 253631241 in words is "two hundred fifty-three million, six hundred thirty-one thousand, two hundred forty-one".