1601351 has 4 divisors (see below), whose sum is σ = 1656600. Its totient is φ = 1546104.

The previous prime is 1601317. The next prime is 1601359. The reversal of 1601351 is 1531061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1531061 = 7 ⋅218723.

It is a cyclic number.

It is not a de Polignac number, because 1601351 - 2⁶ = 1601287 is a prime.

It is a super-3 number, since 3×1601351³ = 12319153330291939653, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601359) 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, 27581 + ... + 27638.

It is an arithmetic number, because the mean of its divisors is an integer number (414150).

2^1601351 is an apocalyptic number.

1601351 is a deficient number, since it is larger than the sum of its proper divisors (55249).

1601351 is an equidigital number, since it uses as much as digits as its factorization.

1601351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55248.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1601351 is about 1265.4449810245. Note that the first 3 decimals coincide. The cubic root of 1601351 is about 116.9936198337.

The spelling of 1601351 in words is "one million, six hundred one thousand, three hundred fifty-one".