654400627 has 2 divisors, whose sum is σ = 654400628. Its totient is φ = 654400626.

The previous prime is 654400609. The next prime is 654400651. The reversal of 654400627 is 726004456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654400627 - 2²⁷ = 520182899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654400592 and 654400601.

It is not a weakly prime, because it can be changed into another prime (654400697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327200313 + 327200314.

It is an arithmetic number, because the mean of its divisors is an integer number (327200314).

Almost surely, 2^654400627 is an apocalyptic number.

654400627 is a deficient number, since it is larger than the sum of its proper divisors (1).

654400627 is an equidigital number, since it uses as much as digits as its factorization.

654400627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 654400627 is about 25581.2553835812. The cubic root of 654400627 is about 868.1895795746.

The spelling of 654400627 in words is "six hundred fifty-four million, four hundred thousand, six hundred twenty-seven".