427073513 has 2 divisors, whose sum is σ = 427073514. Its totient is φ = 427073512.

The previous prime is 427073503. The next prime is 427073519. The reversal of 427073513 is 315370724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422220304 + 4853209 = 20548^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 427073513 - 2¹⁰ = 427072489 is a prime.

It is a super-2 number, since 2×427073513² = 364783571012322338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427073513.

It is not a weakly prime, because it can be changed into another prime (427073519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213536756 + 213536757.

It is an arithmetic number, because the mean of its divisors is an integer number (213536757).

Almost surely, 2^427073513 is an apocalyptic number.

It is an amenable number.

427073513 is a deficient number, since it is larger than the sum of its proper divisors (1).

427073513 is an equidigital number, since it uses as much as digits as its factorization.

427073513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 427073513 is about 20665.7570149269. The cubic root of 427073513 is about 753.0680327496.

The spelling of 427073513 in words is "four hundred twenty-seven million, seventy-three thousand, five hundred thirteen".