261602332 has 6 divisors (see below), whose sum is σ = 457804088. Its totient is φ = 130801164.

The previous prime is 261602311. The next prime is 261602333. The reversal of 261602332 is 233206162.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 261602297 and 261602306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261602333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32700288 + ... + 32700295.

Almost surely, 2^261602332 is an apocalyptic number.

It is an amenable number.

261602332 is a deficient number, since it is larger than the sum of its proper divisors (196201756).

261602332 is a wasteful number, since it uses less digits than its factorization.

261602332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65400587 (or 65400585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 261602332 is about 16174.1253859366. The cubic root of 261602332 is about 639.5588854886.

Adding to 261602332 its reverse (233206162), we get a palindrome (494808494).

The spelling of 261602332 in words is "two hundred sixty-one million, six hundred two thousand, three hundred thirty-two".