507463994 has 4 divisors (see below), whose sum is σ = 761195994. Its totient is φ = 253731996.

The previous prime is 507463993. The next prime is 507464047. The reversal of 507463994 is 499364705.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 418407025 + 89056969 = 20455^2 + 9437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (507463993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126865997 + ... + 126866000.

Almost surely, 2^507463994 is an apocalyptic number.

507463994 is a deficient number, since it is larger than the sum of its proper divisors (253732000).

507463994 is a wasteful number, since it uses less digits than its factorization.

507463994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253731999.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 507463994 is about 22526.9614906227. The cubic root of 507463994 is about 797.6304855557.

The spelling of 507463994 in words is "five hundred seven million, four hundred sixty-three thousand, nine hundred ninety-four".