607505989 has 2 divisors, whose sum is σ = 607505990. Its totient is φ = 607505988.

The previous prime is 607505963. The next prime is 607505993. The reversal of 607505989 is 989505706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577585089 + 29920900 = 24033^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 607505989 - 2⁷ = 607505861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607502989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303752994 + 303752995.

It is an arithmetic number, because the mean of its divisors is an integer number (303752995).

Almost surely, 2^607505989 is an apocalyptic number.

It is an amenable number.

607505989 is a deficient number, since it is larger than the sum of its proper divisors (1).

607505989 is an equidigital number, since it uses as much as digits as its factorization.

607505989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 607505989 is about 24647.6365804107. The cubic root of 607505989 is about 846.9352091269.

The spelling of 607505989 in words is "six hundred seven million, five hundred five thousand, nine hundred eighty-nine".