507700381 has 2 divisors, whose sum is σ = 507700382. Its totient is φ = 507700380.

The previous prime is 507700379. The next prime is 507700397. The reversal of 507700381 is 183007705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475676100 + 32024281 = 21810^2 + 5659^2 .

It is a cyclic number.

It is not a de Polignac number, because 507700381 - 2¹ = 507700379 is a prime.

It is a super-2 number, since 2×507700381² = 515519353735090322, which contains 22 as substring.

Together with 507700379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507700331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253850190 + 253850191.

It is an arithmetic number, because the mean of its divisors is an integer number (253850191).

Almost surely, 2^507700381 is an apocalyptic number.

It is an amenable number.

507700381 is a deficient number, since it is larger than the sum of its proper divisors (1).

507700381 is an equidigital number, since it uses as much as digits as its factorization.

507700381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 507700381 is about 22532.2076370692. The cubic root of 507700381 is about 797.7543171383.

The spelling of 507700381 in words is "five hundred seven million, seven hundred thousand, three hundred eighty-one".