1530401 has 4 divisors (see below), whose sum is σ = 1556400. Its totient is φ = 1504404.

The previous prime is 1530349. The next prime is 1530409. The reversal of 1530401 is 1040351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1530401 - 2¹⁰ = 1529377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530409) 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, 12911 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (389100).

2^1530401 is an apocalyptic number.

It is an amenable number.

1530401 is a deficient number, since it is larger than the sum of its proper divisors (25999).

1530401 is an equidigital number, since it uses as much as digits as its factorization.

1530401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25998.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1530401 is about 1237.0937717085. The cubic root of 1530401 is about 115.2396012658.

Adding to 1530401 its reverse (1040351), we get a palindrome (2570752).

The spelling of 1530401 in words is "one million, five hundred thirty thousand, four hundred one".