524954991 has 24 divisors (see below), whose sum is σ = 771270192. Its totient is φ = 317363200.

The previous prime is 524954987. The next prime is 524954999. The reversal of 524954991 is 199459425.

It is not a de Polignac number, because 524954991 - 2² = 524954987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 524954991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524954999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165775 + ... + 168911.

It is an arithmetic number, because the mean of its divisors is an integer number (32136258).

Almost surely, 2^524954991 is an apocalyptic number.

524954991 is a deficient number, since it is larger than the sum of its proper divisors (246315201).

524954991 is a wasteful number, since it uses less digits than its factorization.

524954991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3612 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 524954991 is about 22911.8962768253. The cubic root of 524954991 is about 806.6912687630.

The spelling of 524954991 in words is "five hundred twenty-four million, nine hundred fifty-four thousand, nine hundred ninety-one".