662523853 has 2 divisors, whose sum is σ = 662523854. Its totient is φ = 662523852.

The previous prime is 662523767. The next prime is 662523899. The reversal of 662523853 is 358325266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590392804 + 72131049 = 24298^2 + 8493^2 .

It is a cyclic number.

It is not a de Polignac number, because 662523853 - 2²⁹ = 125652941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662523353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331261926 + 331261927.

It is an arithmetic number, because the mean of its divisors is an integer number (331261927).

Almost surely, 2^662523853 is an apocalyptic number.

It is an amenable number.

662523853 is a deficient number, since it is larger than the sum of its proper divisors (1).

662523853 is an equidigital number, since it uses as much as digits as its factorization.

662523853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The square root of 662523853 is about 25739.5387099303. The cubic root of 662523853 is about 871.7671629033.

The spelling of 662523853 in words is "six hundred sixty-two million, five hundred twenty-three thousand, eight hundred fifty-three".