507630381 has 8 divisors (see below), whose sum is σ = 677458560. Its totient is φ = 338111232.

The previous prime is 507630373. The next prime is 507630397. The reversal of 507630381 is 183036705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 507630381 - 2³ = 507630373 is a prime.

It is a super-2 number, since 2×507630381² = 515377207428410322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507630481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73396 + ... + 80013.

It is an arithmetic number, because the mean of its divisors is an integer number (84682320).

Almost surely, 2^507630381 is an apocalyptic number.

It is an amenable number.

507630381 is a deficient number, since it is larger than the sum of its proper divisors (169828179).

507630381 is a wasteful number, since it uses less digits than its factorization.

507630381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154515.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 507630381 is about 22530.6542514859. The cubic root of 507630381 is about 797.7176515701.

The spelling of 507630381 in words is "five hundred seven million, six hundred thirty thousand, three hundred eighty-one".