513250547 has 2 divisors, whose sum is σ = 513250548. Its totient is φ = 513250546.

The previous prime is 513250513. The next prime is 513250559. The reversal of 513250547 is 745052315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513250547 - 2⁶ = 513250483 is a prime.

It is a super-2 number, since 2×513250547² = 526852247991598418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513250567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256625273 + 256625274.

It is an arithmetic number, because the mean of its divisors is an integer number (256625274).

Almost surely, 2^513250547 is an apocalyptic number.

513250547 is a deficient number, since it is larger than the sum of its proper divisors (1).

513250547 is an equidigital number, since it uses as much as digits as its factorization.

513250547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 513250547 is about 22655.0335907939. The cubic root of 513250547 is about 800.6507969980.

The spelling of 513250547 in words is "five hundred thirteen million, two hundred fifty thousand, five hundred forty-seven".