630026101 has 2 divisors, whose sum is σ = 630026102. Its totient is φ = 630026100.

The previous prime is 630026099. The next prime is 630026123. The reversal of 630026101 is 101620036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590976100 + 39050001 = 24310^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 630026101 - 2¹ = 630026099 is a prime.

Together with 630026099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630026401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315013050 + 315013051.

It is an arithmetic number, because the mean of its divisors is an integer number (315013051).

Almost surely, 2^630026101 is an apocalyptic number.

It is an amenable number.

630026101 is a deficient number, since it is larger than the sum of its proper divisors (1).

630026101 is an equidigital number, since it uses as much as digits as its factorization.

630026101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 630026101 is about 25100.3207350026. The cubic root of 630026101 is about 857.2737268999.

Adding to 630026101 its reverse (101620036), we get a palindrome (731646137).

The spelling of 630026101 in words is "six hundred thirty million, twenty-six thousand, one hundred one".