235481247 has 12 divisors (see below), whose sum is σ = 351868920. Its totient is φ = 151573968.

The previous prime is 235481237. The next prime is 235481249. The reversal of 235481247 is 742184532.

It is a happy number.

It is not a de Polignac number, because 235481247 - 2¹⁹ = 234956959 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235481249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450853 + ... + 451374.

It is an arithmetic number, because the mean of its divisors is an integer number (29322410).

Almost surely, 2^235481247 is an apocalyptic number.

235481247 is a deficient number, since it is larger than the sum of its proper divisors (116387673).

235481247 is a wasteful number, since it uses less digits than its factorization.

235481247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902262 (or 902259 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 235481247 is about 15345.3982353017. The cubic root of 235481247 is about 617.5215371640.

The spelling of 235481247 in words is "two hundred thirty-five million, four hundred eighty-one thousand, two hundred forty-seven".