530555261 has 16 divisors (see below), whose sum is σ = 585066240. Its totient is φ = 478867200.

The previous prime is 530555243. The next prime is 530555269. The reversal of 530555261 is 162555035.

It is a cyclic number.

It is not a de Polignac number, because 530555261 - 2⁶ = 530555197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530555269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70880 + ... + 78006.

It is an arithmetic number, because the mean of its divisors is an integer number (36566640).

Almost surely, 2^530555261 is an apocalyptic number.

It is an amenable number.

530555261 is a deficient number, since it is larger than the sum of its proper divisors (54510979).

530555261 is a wasteful number, since it uses less digits than its factorization.

530555261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 530555261 is about 23033.7852078203. The cubic root of 530555261 is about 809.5497477338.

The spelling of 530555261 in words is "five hundred thirty million, five hundred fifty-five thousand, two hundred sixty-one".