401598601 has 2 divisors, whose sum is σ = 401598602. Its totient is φ = 401598600.

The previous prime is 401598559. The next prime is 401598677. The reversal of 401598601 is 106895104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268796025 + 132802576 = 16395^2 + 11524^2 .

It is a cyclic number.

It is not a de Polignac number, because 401598601 - 2¹⁵ = 401565833 is a prime.

It is a super-2 number, since 2×401598601² = 322562872650314402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401698601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200799300 + 200799301.

It is an arithmetic number, because the mean of its divisors is an integer number (200799301).

Almost surely, 2^401598601 is an apocalyptic number.

It is an amenable number.

401598601 is a deficient number, since it is larger than the sum of its proper divisors (1).

401598601 is an equidigital number, since it uses as much as digits as its factorization.

401598601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 401598601 is about 20039.9251745110. The cubic root of 401598601 is about 737.7865444416.

The spelling of 401598601 in words is "four hundred one million, five hundred ninety-eight thousand, six hundred one".