2153401 has 2 divisors, whose sum is σ = 2153402. Its totient is φ = 2153400.

The previous prime is 2153387. The next prime is 2153419. The reversal of 2153401 is 1043512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 249001 = 1380^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153401 - 2⁵ = 2153369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076700 + 1076701.

It is an arithmetic number, because the mean of its divisors is an integer number (1076701).

2^2153401 is an apocalyptic number.

It is an amenable number.

2153401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153401 is an equidigital number, since it uses as much as digits as its factorization.

2153401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2153401 is about 1467.4471029649. The cubic root of 2153401 is about 129.1343071673.

Adding to 2153401 its reverse (1043512), we get a palindrome (3196913).

The spelling of 2153401 in words is "two million, one hundred fifty-three thousand, four hundred one".