427600531 has 2 divisors, whose sum is σ = 427600532. Its totient is φ = 427600530.

The previous prime is 427600519. The next prime is 427600559. The reversal of 427600531 is 135006724.

It is an a-pointer prime, because the next prime (427600559) can be obtained adding 427600531 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427600531 - 2²⁵ = 394046099 is a prime.

It is a super-2 number, since 2×427600531² = 365684428222963922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427600531.

It is not a weakly prime, because it can be changed into another prime (427690531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213800265 + 213800266.

It is an arithmetic number, because the mean of its divisors is an integer number (213800266).

Almost surely, 2^427600531 is an apocalyptic number.

427600531 is a deficient number, since it is larger than the sum of its proper divisors (1).

427600531 is an equidigital number, since it uses as much as digits as its factorization.

427600531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 427600531 is about 20678.5040803246. The cubic root of 427600531 is about 753.3776728586.

The spelling of 427600531 in words is "four hundred twenty-seven million, six hundred thousand, five hundred thirty-one".