261304202 has 8 divisors (see below), whose sum is σ = 395762016. Its totient is φ = 129383532.

The previous prime is 261304201. The next prime is 261304231. The reversal of 261304202 is 202403162.

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

It is not an unprimeable number, because it can be changed into a prime (261304201) 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, 634028 + ... + 634439.

It is an arithmetic number, because the mean of its divisors is an integer number (49470252).

Almost surely, 2^261304202 is an apocalyptic number.

261304202 is a deficient number, since it is larger than the sum of its proper divisors (134457814).

261304202 is a wasteful number, since it uses less digits than its factorization.

261304202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268572.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 261304202 is about 16164.9064952446. The cubic root of 261304202 is about 639.3158395306.

Adding to 261304202 its reverse (202403162), we get a palindrome (463707364).

The spelling of 261304202 in words is "two hundred sixty-one million, three hundred four thousand, two hundred two".