253016433 has 16 divisors (see below), whose sum is σ = 376175040. Its totient is φ = 168076512.

The previous prime is 253016431. The next prime is 253016441. The reversal of 253016433 is 334610352.

It is a happy number.

It is not a de Polignac number, because 253016433 - 2¹ = 253016431 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 253016397 and 253016406.

It is not an unprimeable number, because it can be changed into a prime (253016431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916 + ... + 24197.

It is an arithmetic number, because the mean of its divisors is an integer number (23510940).

Almost surely, 2^253016433 is an apocalyptic number.

It is an amenable number.

253016433 is a deficient number, since it is larger than the sum of its proper divisors (123158607).

253016433 is a wasteful number, since it uses less digits than its factorization.

253016433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33405 (or 33399 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 253016433 is about 15906.4902791282. The cubic root of 253016433 is about 632.4840475701.

Adding to 253016433 its reverse (334610352), we get a palindrome (587626785).

The spelling of 253016433 in words is "two hundred fifty-three million, sixteen thousand, four hundred thirty-three".