652419947 has 2 divisors, whose sum is σ = 652419948. Its totient is φ = 652419946.

The previous prime is 652419917. The next prime is 652419961. The reversal of 652419947 is 749914256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652419947 - 2⁶ = 652419883 is a prime.

It is not a weakly prime, because it can be changed into another prime (652419917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326209973 + 326209974.

It is an arithmetic number, because the mean of its divisors is an integer number (326209974).

Almost surely, 2^652419947 is an apocalyptic number.

652419947 is a deficient number, since it is larger than the sum of its proper divisors (1).

652419947 is an equidigital number, since it uses as much as digits as its factorization.

652419947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 652419947 is about 25542.5125428177. The cubic root of 652419947 is about 867.3127754154.

The spelling of 652419947 in words is "six hundred fifty-two million, four hundred nineteen thousand, nine hundred forty-seven".