653325397 has 2 divisors, whose sum is σ = 653325398. Its totient is φ = 653325396.

The previous prime is 653325389. The next prime is 653325443. The reversal of 653325397 is 793523356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556676836 + 96648561 = 23594^2 + 9831^2 .

It is a cyclic number.

It is not a de Polignac number, because 653325397 - 2³ = 653325389 is a prime.

It is a super-3 number, since 3×653325397³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653325307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326662698 + 326662699.

It is an arithmetic number, because the mean of its divisors is an integer number (326662699).

Almost surely, 2^653325397 is an apocalyptic number.

It is an amenable number.

653325397 is a deficient number, since it is larger than the sum of its proper divisors (1).

653325397 is an equidigital number, since it uses as much as digits as its factorization.

653325397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 43.

The square root of 653325397 is about 25560.2307696938. The cubic root of 653325397 is about 867.7138184060.

The spelling of 653325397 in words is "six hundred fifty-three million, three hundred twenty-five thousand, three hundred ninety-seven".