611401 has 8 divisors (see below), whose sum is σ = 735680. Its totient is φ = 496368.

The previous prime is 611393. The next prime is 611411. The reversal of 611401 is 104116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611401 - 2³ = 611393 is a prime.

It is a super-2 number, since 2×611401² = 747622365602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (611411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (91960).

2⁶¹¹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

611401 is a deficient number, since it is larger than the sum of its proper divisors (124279).

611401 is a wasteful number, since it uses less digits than its factorization.

611401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 611401 is about 781.9213515437. The cubic root of 611401 is about 84.8741389869.

Adding to 611401 its reverse (104116), we get a palindrome (715517).

The spelling of 611401 in words is "six hundred eleven thousand, four hundred one".