487526069 has 4 divisors (see below), whose sum is σ = 493003980. Its totient is φ = 482048160.

The previous prime is 487526059. The next prime is 487526087. The reversal of 487526069 is 960625784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152819044 + 334707025 = 12362^2 + 18295^2 .

It is a cyclic number.

It is not a de Polignac number, because 487526069 - 2¹² = 487521973 is a prime.

It is a super-2 number, since 2×487526069² = 475363335909185522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487526059) 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, 2738822 + ... + 2738999.

It is an arithmetic number, because the mean of its divisors is an integer number (123250995).

Almost surely, 2^487526069 is an apocalyptic number.

It is an amenable number.

487526069 is a deficient number, since it is larger than the sum of its proper divisors (5477911).

487526069 is an equidigital number, since it uses as much as digits as its factorization.

487526069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477910.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 487526069 is about 22079.9925045277. The cubic root of 487526069 is about 787.0444868500.

The spelling of 487526069 in words is "four hundred eighty-seven million, five hundred twenty-six thousand, sixty-nine".