680200051 has 2 divisors, whose sum is σ = 680200052. Its totient is φ = 680200050.

The previous prime is 680200007. The next prime is 680200061. The reversal of 680200051 is 150002086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680200051 - 2¹³ = 680191859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680199995 and 680200031.

It is not a weakly prime, because it can be changed into another prime (680200061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340100025 + 340100026.

It is an arithmetic number, because the mean of its divisors is an integer number (340100026).

Almost surely, 2^680200051 is an apocalyptic number.

680200051 is a deficient number, since it is larger than the sum of its proper divisors (1).

680200051 is an equidigital number, since it uses as much as digits as its factorization.

680200051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 680200051 is about 26080.6451415604. The cubic root of 680200051 is about 879.4521603072.

The spelling of 680200051 in words is "six hundred eighty million, two hundred thousand, fifty-one".