787601 has 2 divisors, whose sum is σ = 787602. Its totient is φ = 787600.

The previous prime is 787573. The next prime is 787609. The reversal of 787601 is 106787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456976 + 330625 = 676^2 + 575^2 .

It is an emirp because it is prime and its reverse (106787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 787601 - 2⁶ = 787537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (787609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393800 + 393801.

It is an arithmetic number, because the mean of its divisors is an integer number (393801).

2⁷⁸⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

787601 is a deficient number, since it is larger than the sum of its proper divisors (1).

787601 is an equidigital number, since it uses as much as digits as its factorization.

787601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 787601 is about 887.4688726936. The cubic root of 787601 is about 92.3496852561.

The spelling of 787601 in words is "seven hundred eighty-seven thousand, six hundred one".