662053057 has 2 divisors, whose sum is σ = 662053058. Its totient is φ = 662053056.

The previous prime is 662053037. The next prime is 662053087. The reversal of 662053057 is 750350266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633226896 + 28826161 = 25164^2 + 5369^2 .

It is a cyclic number.

It is not a de Polignac number, because 662053057 - 2²³ = 653664449 is a prime.

It is a super-4 number, since 4×662053057⁴ (a number of 36 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (662053027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331026528 + 331026529.

It is an arithmetic number, because the mean of its divisors is an integer number (331026529).

Almost surely, 2^662053057 is an apocalyptic number.

It is an amenable number.

662053057 is a deficient number, since it is larger than the sum of its proper divisors (1).

662053057 is an equidigital number, since it uses as much as digits as its factorization.

662053057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 662053057 is about 25730.3916993115. The cubic root of 662053057 is about 871.5606185165.

The spelling of 662053057 in words is "six hundred sixty-two million, fifty-three thousand, fifty-seven".