261479352 has 32 divisors (see below), whose sum is σ = 655779600. Its totient is φ = 86882304.

The previous prime is 261479287. The next prime is 261479381. The reversal of 261479352 is 253974162.

It is a self number, because there is not a number n which added to its sum of digits gives 261479352.

It is a congruent number.

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, 9577 + ... + 24792.

Almost surely, 2^261479352 is an apocalyptic number.

It is an amenable number.

261479352 is an abundant number, since it is smaller than the sum of its proper divisors (394300248).

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

261479352 is a wasteful number, since it uses less digits than its factorization.

261479352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695 (or 34691 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 261479352 is about 16170.3231878649. The cubic root of 261479352 is about 639.4586502966.

The spelling of 261479352 in words is "two hundred sixty-one million, four hundred seventy-nine thousand, three hundred fifty-two".