652751401 has 9 divisors (see below), whose sum is σ = 676804453. Its totient is φ = 629527360.

The previous prime is 652751399. The next prime is 652751413. The reversal of 652751401 is 104157256.

The square root of 652751401 is 25549.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 68079001 + 584672400 = 8251^2 + 24180^2 .

It is not a de Polignac number, because 652751401 - 2¹ = 652751399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652751471) 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 in 8 ways as a sum of consecutive naturals, for example, 740481 + ... + 741361.

Almost surely, 2^652751401 is an apocalyptic number.

652751401 is the 25549-th square number.

652751401 is the 12775-th centered octagonal number.

It is an amenable number.

652751401 is a deficient number, since it is larger than the sum of its proper divisors (24053052).

652751401 is an frugal number, since it uses more digits than its factorization.

652751401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The cubic root of 652751401 is about 867.4596264434.

The spelling of 652751401 in words is "six hundred fifty-two million, seven hundred fifty-one thousand, four hundred one".