601654987 has 2 divisors, whose sum is σ = 601654988. Its totient is φ = 601654986.

The previous prime is 601654783. The next prime is 601655027. The reversal of 601654987 is 789456106.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601654987 is a prime.

It is not a weakly prime, because it can be changed into another prime (601654087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300827493 + 300827494.

It is an arithmetic number, because the mean of its divisors is an integer number (300827494).

Almost surely, 2^601654987 is an apocalyptic number.

601654987 is a deficient number, since it is larger than the sum of its proper divisors (1).

601654987 is an equidigital number, since it uses as much as digits as its factorization.

601654987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 601654987 is about 24528.6564450644. The cubic root of 601654987 is about 844.2074367710.

The spelling of 601654987 in words is "six hundred one million, six hundred fifty-four thousand, nine hundred eighty-seven".