1225232535 has 32 divisors (see below), whose sum is σ = 2001438720. Its totient is φ = 639819648.

The previous prime is 1225232521. The next prime is 1225232539. The reversal of 1225232535 is 5352325221.

It is not a de Polignac number, because 1225232535 - 2¹⁸ = 1224970391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225232539) 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 31 ways as a sum of consecutive naturals, for example, 481296 + ... + 483834.

It is an arithmetic number, because the mean of its divisors is an integer number (62544960).

Almost surely, 2^1225232535 is an apocalyptic number.

1225232535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225232535 is a deficient number, since it is larger than the sum of its proper divisors (776206185).

1225232535 is a wasteful number, since it uses less digits than its factorization.

1225232535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207.

The product of its digits is 18000, while the sum is 30.

The square root of 1225232535 is about 35003.3217709405. The cubic root of 1225232535 is about 1070.0551795575.

Adding to 1225232535 its reverse (5352325221), we get a palindrome (6577557756).

The spelling of 1225232535 in words is "one billion, two hundred twenty-five million, two hundred thirty-two thousand, five hundred thirty-five".