261051362 has 32 divisors (see below), whose sum is σ = 462176064. Its totient is φ = 109022400.

The previous prime is 261051331. The next prime is 261051383. The reversal of 261051362 is 263150162.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62912 + ... + 66932.

It is an arithmetic number, because the mean of its divisors is an integer number (14443002).

Almost surely, 2^261051362 is an apocalyptic number.

261051362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261051362 is a deficient number, since it is larger than the sum of its proper divisors (201124702).

261051362 is a wasteful number, since it uses less digits than its factorization.

261051362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 261051362 is about 16157.0839571997. The cubic root of 261051362 is about 639.1095706431.

The spelling of 261051362 in words is "two hundred sixty-one million, fifty-one thousand, three hundred sixty-two".