261148262 has 8 divisors (see below), whose sum is σ = 400057056. Its totient is φ = 127795912.

The previous prime is 261148213. The next prime is 261148267. The reversal of 261148262 is 262841162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261148267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388993 + ... + 1389180.

It is an arithmetic number, because the mean of its divisors is an integer number (50007132).

Almost surely, 2^261148262 is an apocalyptic number.

261148262 is a deficient number, since it is larger than the sum of its proper divisors (138908794).

261148262 is a wasteful number, since it uses less digits than its factorization.

261148262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778222.

The product of its digits is 9216, while the sum is 32.

The square root of 261148262 is about 16160.0823636515. The cubic root of 261148262 is about 639.1886381695.

The spelling of 261148262 in words is "two hundred sixty-one million, one hundred forty-eight thousand, two hundred sixty-two".