531061004 has 6 divisors (see below), whose sum is σ = 929356764. Its totient is φ = 265530500.

The previous prime is 531060997. The next prime is 531061019. The reversal of 531061004 is 400160135.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66382622 + ... + 66382629.

It is an arithmetic number, because the mean of its divisors is an integer number (154892794).

Almost surely, 2^531061004 is an apocalyptic number.

It is an amenable number.

531061004 is a deficient number, since it is larger than the sum of its proper divisors (398295760).

531061004 is a wasteful number, since it uses less digits than its factorization.

531061004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132765255 (or 132765253 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 531061004 is about 23044.7608796446. The cubic root of 531061004 is about 809.8068959989.

The spelling of 531061004 in words is "five hundred thirty-one million, sixty-one thousand, four".