261214230 has 32 divisors (see below), whose sum is σ = 629316864. Its totient is φ = 69390176.

The previous prime is 261214229. The next prime is 261214271. The reversal of 261214230 is 32412162.

It is a junction number, because it is equal to n+sod(n) for n = 261214197 and 261214206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8664 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (19666152).

Almost surely, 2^261214230 is an apocalyptic number.

261214230 is an abundant number, since it is smaller than the sum of its proper divisors (368102634).

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

261214230 is a wasteful number, since it uses less digits than its factorization.

261214230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33380.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 261214230 is about 16162.1233134759. The cubic root of 261214230 is about 639.2424549118.

Adding to 261214230 its reverse (32412162), we get a palindrome (293626392).

The spelling of 261214230 in words is "two hundred sixty-one million, two hundred fourteen thousand, two hundred thirty".