202130425477 has 2 divisors, whose sum is σ = 202130425478. Its totient is φ = 202130425476.

The previous prime is 202130425447. The next prime is 202130425543. The reversal of 202130425477 is 774524031202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172323784161 + 29806641316 = 415119^2 + 172646^2 .

It is a cyclic number.

It is not a de Polignac number, because 202130425477 - 2²³ = 202122036869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202130425447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065212738 + 101065212739.

It is an arithmetic number, because the mean of its divisors is an integer number (101065212739).

Almost surely, 2^202130425477 is an apocalyptic number.

It is an amenable number.

202130425477 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130425477 is an equidigital number, since it uses as much as digits as its factorization.

202130425477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

Adding to 202130425477 its reverse (774524031202), we get a palindrome (976654456679).

The spelling of 202130425477 in words is "two hundred two billion, one hundred thirty million, four hundred twenty-five thousand, four hundred seventy-seven".