261032246 has 16 divisors (see below), whose sum is σ = 415178784. Its totient is φ = 122661504.

The previous prime is 261032243. The next prime is 261032249. The reversal of 261032246 is 642230162.

It is an interprime number because it is at equal distance from previous prime (261032243) and next prime (261032249).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261032243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20096 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (25948674).

Almost surely, 2^261032246 is an apocalyptic number.

261032246 is a deficient number, since it is larger than the sum of its proper divisors (154146538).

261032246 is a wasteful number, since it uses less digits than its factorization.

261032246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 261032246 is about 16156.4923792264. The cubic root of 261032246 is about 639.0939702434.

The spelling of 261032246 in words is "two hundred sixty-one million, thirty-two thousand, two hundred forty-six".