652391603 has 2 divisors, whose sum is σ = 652391604. Its totient is φ = 652391602.

The previous prime is 652391591. The next prime is 652391647. The reversal of 652391603 is 306193256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652391603 - 2⁴ = 652391587 is a prime.

It is a super-2 number, since 2×652391603² = 851229607329819218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652391653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326195801 + 326195802.

It is an arithmetic number, because the mean of its divisors is an integer number (326195802).

Almost surely, 2^652391603 is an apocalyptic number.

652391603 is a deficient number, since it is larger than the sum of its proper divisors (1).

652391603 is an equidigital number, since it uses as much as digits as its factorization.

652391603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 652391603 is about 25541.9576970913. The cubic root of 652391603 is about 867.3002152694.

The spelling of 652391603 in words is "six hundred fifty-two million, three hundred ninety-one thousand, six hundred three".