507733247 has 24 divisors (see below), whose sum is σ = 617104800. Its totient is φ = 415993536.

The previous prime is 507733243. The next prime is 507733253. The reversal of 507733247 is 742337705.

It is not a de Polignac number, because 507733247 - 2² = 507733243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 507733247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507733243) 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, 144629 + ... + 148097.

It is an arithmetic number, because the mean of its divisors is an integer number (25712700).

Almost surely, 2^507733247 is an apocalyptic number.

507733247 is a deficient number, since it is larger than the sum of its proper divisors (109371553).

507733247 is a wasteful number, since it uses less digits than its factorization.

507733247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 38.

The square root of 507733247 is about 22532.9369368487. The cubic root of 507733247 is about 797.7715309837.

The spelling of 507733247 in words is "five hundred seven million, seven hundred thirty-three thousand, two hundred forty-seven".