503928379 has 2 divisors, whose sum is σ = 503928380. Its totient is φ = 503928378.

The previous prime is 503928353. The next prime is 503928409. The reversal of 503928379 is 973829305.

503928379 = 9162² + 9163² + ... + 9167².

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503928379 - 2¹⁵ = 503895611 is a prime.

It is a super-2 number, since 2×503928379² = 507887622323135282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503928329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251964189 + 251964190.

It is an arithmetic number, because the mean of its divisors is an integer number (251964190).

Almost surely, 2^503928379 is an apocalyptic number.

503928379 is a deficient number, since it is larger than the sum of its proper divisors (1).

503928379 is an equidigital number, since it uses as much as digits as its factorization.

503928379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 503928379 is about 22448.3491375201. The cubic root of 503928379 is about 795.7737434898.

The spelling of 503928379 in words is "five hundred three million, nine hundred twenty-eight thousand, three hundred seventy-nine".