524527961 has 4 divisors (see below), whose sum is σ = 524670900. Its totient is φ = 524385024.

The previous prime is 524527937. The next prime is 524527963. The reversal of 524527961 is 169725425.

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 329059600 + 195468361 = 18140^2 + 13981^2 .

It is a cyclic number.

It is not a de Polignac number, because 524527961 - 2¹⁸ = 524265817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (524527963) 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, 65816 + ... + 73353.

It is an arithmetic number, because the mean of its divisors is an integer number (131167725).

Almost surely, 2^524527961 is an apocalyptic number.

It is an amenable number.

524527961 is a deficient number, since it is larger than the sum of its proper divisors (142939).

524527961 is a wasteful number, since it uses less digits than its factorization.

524527961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142938.

The product of its digits is 151200, while the sum is 41.

The square root of 524527961 is about 22902.5754228646. The cubic root of 524527961 is about 806.4724723405.

The spelling of 524527961 in words is "five hundred twenty-four million, five hundred twenty-seven thousand, nine hundred sixty-one".