1611401 has 8 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 1456720.

The previous prime is 1611397. The next prime is 1611419. The reversal of 1611401 is 1041161.

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 1611401 - 2² = 1611397 is a prime.

It is a super-2 number, since 2×1611401² = 5193226365602, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1611451) 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, 2615 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

2^1611401 is an apocalyptic number.

1611401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1611401 is a deficient number, since it is larger than the sum of its proper divisors (156343).

1611401 is a wasteful number, since it uses less digits than its factorization.

1611401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1611401 is about 1269.4097053355. The cubic root of 1611401 is about 117.2378583330.

Adding to 1611401 its reverse (1041161), we get a palindrome (2652562).

The spelling of 1611401 in words is "one million, six hundred eleven thousand, four hundred one".