202053913 has 2 divisors, whose sum is σ = 202053914. Its totient is φ = 202053912.

The previous prime is 202053889. The next prime is 202053931. The reversal of 202053913 is 319350202.

It is a happy number.

Together with next prime (202053931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150601984 + 51451929 = 12272^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 202053913 - 2⁵ = 202053881 is a prime.

It is a super-2 number, since 2×202053913² = 81651567517223138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202054913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101026956 + 101026957.

It is an arithmetic number, because the mean of its divisors is an integer number (101026957).

Almost surely, 2^202053913 is an apocalyptic number.

It is an amenable number.

202053913 is a deficient number, since it is larger than the sum of its proper divisors (1).

202053913 is an equidigital number, since it uses as much as digits as its factorization.

202053913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 202053913 is about 14214.5669297380. The cubic root of 202053913 is about 586.7986263005.

The spelling of 202053913 in words is "two hundred two million, fifty-three thousand, nine hundred thirteen".