253432635 has 16 divisors (see below), whose sum is σ = 406283040. Its totient is φ = 134900480.

The previous prime is 253432609. The next prime is 253432637. The reversal of 253432635 is 536234352.

It is not a de Polignac number, because 253432635 - 2¹¹ = 253430587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253432596 and 253432605.

It is not an unprimeable number, because it can be changed into a prime (253432637) 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, 8400 + ... + 24029.

It is an arithmetic number, because the mean of its divisors is an integer number (25392690).

Almost surely, 2^253432635 is an apocalyptic number.

253432635 is a deficient number, since it is larger than the sum of its proper divisors (152850405).

253432635 is a wasteful number, since it uses less digits than its factorization.

253432635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32958.

The product of its digits is 64800, while the sum is 33.

The square root of 253432635 is about 15919.5676762907. The cubic root of 253432635 is about 632.8306613108.

Adding to 253432635 its reverse (536234352), we get a palindrome (789666987).

The spelling of 253432635 in words is "two hundred fifty-three million, four hundred thirty-two thousand, six hundred thirty-five".