261024282 has 28 divisors (see below), whose sum is σ = 587039370. Its totient is φ = 87007608.

The previous prime is 261024277. The next prime is 261024287. The reversal of 261024282 is 282420162.

It is a happy number.

261024282 is a `hidden beast` number, since 2 + 610 + 2 + 42 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (261024277) and next prime (261024287).

It can be written as a sum of positive squares in only one way, i.e., 136679481 + 124344801 = 11691^2 + 11151^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (261024287) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 88057 + ... + 90972.

Almost surely, 2^261024282 is an apocalyptic number.

261024282 is an abundant number, since it is smaller than the sum of its proper divisors (326015088).

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

261024282 is an equidigital number, since it uses as much as digits as its factorization.

261024282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179049 (or 179034 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 261024282 is about 16156.2459129589. The cubic root of 261024282 is about 639.0874706682.

The spelling of 261024282 in words is "two hundred sixty-one million, twenty-four thousand, two hundred eighty-two".