464652781 has 2 divisors, whose sum is σ = 464652782. Its totient is φ = 464652780.

The previous prime is 464652731. The next prime is 464652827. The reversal of 464652781 is 187256464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313608681 + 151044100 = 17709^2 + 12290^2 .

It is a cyclic number.

It is not a de Polignac number, because 464652781 - 2⁹ = 464652269 is a prime.

It is a super-2 number, since 2×464652781² = 431804413782067922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464652731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232326390 + 232326391.

It is an arithmetic number, because the mean of its divisors is an integer number (232326391).

Almost surely, 2^464652781 is an apocalyptic number.

It is an amenable number.

464652781 is a deficient number, since it is larger than the sum of its proper divisors (1).

464652781 is an equidigital number, since it uses as much as digits as its factorization.

464652781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 464652781 is about 21555.8062015783. The cubic root of 464652781 is about 774.5382089712.

The spelling of 464652781 in words is "four hundred sixty-four million, six hundred fifty-two thousand, seven hundred eighty-one".