261465032 has 32 divisors (see below), whose sum is σ = 527611320. Its totient is φ = 121021440.

The previous prime is 261465011. The next prime is 261465091. The reversal of 261465032 is 230564162.

It can be written as a sum of positive squares in 4 ways, for example, as 137499076 + 123965956 = 11726^2 + 11134^2 .

It is a super-2 number, since 2×261465032² = 136727925917522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 261464986 and 261465004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7463 + ... + 24054.

Almost surely, 2^261465032 is an apocalyptic number.

It is an amenable number.

261465032 is an abundant number, since it is smaller than the sum of its proper divisors (266146288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261465032 is a wasteful number, since it uses less digits than its factorization.

261465032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31601 (or 31597 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 261465032 is about 16169.8803953523. The cubic root of 261465032 is about 639.4469766979.

The spelling of 261465032 in words is "two hundred sixty-one million, four hundred sixty-five thousand, thirty-two".