652157773 has 2 divisors, whose sum is σ = 652157774. Its totient is φ = 652157772.

The previous prime is 652157761. The next prime is 652157783. The reversal of 652157773 is 377751256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347934409 + 304223364 = 18653^2 + 17442^2 .

It is a cyclic number.

It is not a de Polignac number, because 652157773 - 2⁵ = 652157741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652157743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326078886 + 326078887.

It is an arithmetic number, because the mean of its divisors is an integer number (326078887).

Almost surely, 2^652157773 is an apocalyptic number.

It is an amenable number.

652157773 is a deficient number, since it is larger than the sum of its proper divisors (1).

652157773 is an equidigital number, since it uses as much as digits as its factorization.

652157773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308700, while the sum is 43.

The square root of 652157773 is about 25537.3799165067. The cubic root of 652157773 is about 867.1965837274.

It can be divided in two parts, 652 and 157773, that multiplied together give a triangular number (102867996 = T₁₄₃₄₃).

The spelling of 652157773 in words is "six hundred fifty-two million, one hundred fifty-seven thousand, seven hundred seventy-three".