642114527 has 2 divisors, whose sum is σ = 642114528. Its totient is φ = 642114526.

The previous prime is 642114521. The next prime is 642114541. The reversal of 642114527 is 725411246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 642114527 - 2⁸ = 642114271 is a prime.

It is a super-2 number, since 2×642114527² = 824622131568867458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 642114493 and 642114502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (642114521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321057263 + 321057264.

It is an arithmetic number, because the mean of its divisors is an integer number (321057264).

Almost surely, 2^642114527 is an apocalyptic number.

642114527 is a deficient number, since it is larger than the sum of its proper divisors (1).

642114527 is an equidigital number, since it uses as much as digits as its factorization.

642114527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 642114527 is about 25339.9788279312. The cubic root of 642114527 is about 862.7219181677.

The spelling of 642114527 in words is "six hundred forty-two million, one hundred fourteen thousand, five hundred twenty-seven".