530487961 has 4 divisors (see below), whose sum is σ = 558408400. Its totient is φ = 502567524.

The previous prime is 530487959. The next prime is 530487973. The reversal of 530487961 is 169784035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 530487961 - 2¹ = 530487959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530487761) 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, 13960191 + ... + 13960228.

It is an arithmetic number, because the mean of its divisors is an integer number (139602100).

Almost surely, 2^530487961 is an apocalyptic number.

It is an amenable number.

530487961 is a deficient number, since it is larger than the sum of its proper divisors (27920439).

530487961 is a wasteful number, since it uses less digits than its factorization.

530487961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920438.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 530487961 is about 23032.3242639556. The cubic root of 530487961 is about 809.5155163000.

It can be divided in two parts, 53048 and 7961, that added together give a square (61009 = 247²).

The spelling of 530487961 in words is "five hundred thirty million, four hundred eighty-seven thousand, nine hundred sixty-one".