202428757 has 2 divisors, whose sum is σ = 202428758. Its totient is φ = 202428756.

The previous prime is 202428713. The next prime is 202428761. The reversal of 202428757 is 757824202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188952516 + 13476241 = 13746^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 202428757 - 2²³ = 194040149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202428797) 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, 101214378 + 101214379.

It is an arithmetic number, because the mean of its divisors is an integer number (101214379).

Almost surely, 2^202428757 is an apocalyptic number.

It is an amenable number.

202428757 is a deficient number, since it is larger than the sum of its proper divisors (1).

202428757 is an equidigital number, since it uses as much as digits as its factorization.

202428757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 202428757 is about 14227.7460266902. The cubic root of 202428757 is about 587.1612721927.

The spelling of 202428757 in words is "two hundred two million, four hundred twenty-eight thousand, seven hundred fifty-seven".