1529401 has 2 divisors, whose sum is σ = 1529402. Its totient is φ = 1529400.

The previous prime is 1529393. The next prime is 1529413. The reversal of 1529401 is 1049251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 89401 = 1200^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1529401 - 2³ = 1529393 is a prime.

It is a Chen prime.

1529401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1529471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764700 + 764701.

It is an arithmetic number, because the mean of its divisors is an integer number (764701).

2^1529401 is an apocalyptic number.

It is an amenable number.

1529401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1529401 is an equidigital number, since it uses as much as digits as its factorization.

1529401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1529401 is about 1236.6895325829. The cubic root of 1529401 is about 115.2144957084.

The spelling of 1529401 in words is "one million, five hundred twenty-nine thousand, four hundred one".