606257401 has 4 divisors (see below), whose sum is σ = 606480372. Its totient is φ = 606034432.

The previous prime is 606257381. The next prime is 606257419. The reversal of 606257401 is 104752606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 589324176 + 16933225 = 24276^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 606257401 - 2⁵ = 606257369 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606252401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107356 + ... + 112861.

It is an arithmetic number, because the mean of its divisors is an integer number (151620093).

Almost surely, 2^606257401 is an apocalyptic number.

It is an amenable number.

606257401 is a deficient number, since it is larger than the sum of its proper divisors (222971).

606257401 is a wasteful number, since it uses less digits than its factorization.

606257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222970.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 606257401 is about 24622.2947955709. The cubic root of 606257401 is about 846.3545847105.

The spelling of 606257401 in words is "six hundred six million, two hundred fifty-seven thousand, four hundred one".