617210401 has 4 divisors (see below), whose sum is σ = 625665412. Its totient is φ = 608755392.

The previous prime is 617210389. The next prime is 617210413. The reversal of 617210401 is 104012716.

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

It is an interprime number because it is at equal distance from previous prime (617210389) and next prime (617210413).

It can be written as a sum of positive squares in 2 ways, for example, as 501088225 + 116122176 = 22385^2 + 10776^2 .

It is a cyclic number.

It is not a de Polignac number, because 617210401 - 2⁷ = 617210273 is a prime.

It is a super-3 number, since 3×617210401³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617210491) 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, 4227396 + ... + 4227541.

It is an arithmetic number, because the mean of its divisors is an integer number (156416353).

Almost surely, 2^617210401 is an apocalyptic number.

It is an amenable number.

617210401 is a deficient number, since it is larger than the sum of its proper divisors (8455011).

617210401 is an equidigital number, since it uses as much as digits as its factorization.

617210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455010.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 617210401 is about 24843.7195484090. The cubic root of 617210401 is about 851.4211064792.

The spelling of 617210401 in words is "six hundred seventeen million, two hundred ten thousand, four hundred one".