521061532 has 12 divisors (see below), whose sum is σ = 919928016. Its totient is φ = 258224960.

The previous prime is 521061503. The next prime is 521061551. The reversal of 521061532 is 235160125.

It is a junction number, because it is equal to n+sod(n) for n = 521061497 and 521061506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575944 + ... + 576847.

It is an arithmetic number, because the mean of its divisors is an integer number (76660668).

Almost surely, 2^521061532 is an apocalyptic number.

It is an amenable number.

521061532 is a deficient number, since it is larger than the sum of its proper divisors (398866484).

521061532 is a wasteful number, since it uses less digits than its factorization.

521061532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152908 (or 1152906 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 521061532 is about 22826.7722641638. The cubic root of 521061532 is about 804.6919758223.

The spelling of 521061532 in words is "five hundred twenty-one million, sixty-one thousand, five hundred thirty-two".