202130437 has 2 divisors, whose sum is σ = 202130438. Its totient is φ = 202130436.

The previous prime is 202130399. The next prime is 202130441. The reversal of 202130437 is 734031202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176384961 + 25745476 = 13281^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 202130437 - 2⁷ = 202130309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202130477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065218 + 101065219.

It is an arithmetic number, because the mean of its divisors is an integer number (101065219).

Almost surely, 2^202130437 is an apocalyptic number.

It is an amenable number.

202130437 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130437 is an equidigital number, since it uses as much as digits as its factorization.

202130437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 202130437 is about 14217.2584206661. The cubic root of 202130437 is about 586.8726964826.

Adding to 202130437 its reverse (734031202), we get a palindrome (936161639).

The spelling of 202130437 in words is "two hundred two million, one hundred thirty thousand, four hundred thirty-seven".