1534397 has 2 divisors, whose sum is σ = 1534398. Its totient is φ = 1534396.

The previous prime is 1534373. The next prime is 1534411. The reversal of 1534397 is 7934351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 337561 = 1094^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534397 - 2¹⁸ = 1272253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767198 + 767199.

It is an arithmetic number, because the mean of its divisors is an integer number (767199).

2^1534397 is an apocalyptic number.

It is an amenable number.

1534397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534397 is an equidigital number, since it uses as much as digits as its factorization.

1534397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 1534397 is about 1238.7077944374. The cubic root of 1534397 is about 115.3398140485.

The spelling of 1534397 in words is "one million, five hundred thirty-four thousand, three hundred ninety-seven".