261112962 has 64 divisors (see below), whose sum is σ = 605750400. Its totient is φ = 74158080.

The previous prime is 261112961. The next prime is 261112963. The reversal of 261112962 is 269211162.

It is an interprime number because it is at equal distance from previous prime (261112961) and next prime (261112963).

It is not an unprimeable number, because it can be changed into a prime (261112961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458614 + ... + 459182.

It is an arithmetic number, because the mean of its divisors is an integer number (9464850).

Almost surely, 2^261112962 is an apocalyptic number.

261112962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 261112962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302875200).

261112962 is an abundant number, since it is smaller than the sum of its proper divisors (344637438).

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

261112962 is a wasteful number, since it uses less digits than its factorization.

261112962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 2592, while the sum is 30.

The square root of 261112962 is about 16158.9901293367. The cubic root of 261112962 is about 639.1598366815.

The spelling of 261112962 in words is "two hundred sixty-one million, one hundred twelve thousand, nine hundred sixty-two".