1522541 has 2 divisors, whose sum is σ = 1522542. Its totient is φ = 1522540.

The previous prime is 1522517. The next prime is 1522553. The reversal of 1522541 is 1452251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1510441 + 12100 = 1229^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522541 - 2¹⁴ = 1506157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1522511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761270 + 761271.

It is an arithmetic number, because the mean of its divisors is an integer number (761271).

2^1522541 is an apocalyptic number.

It is an amenable number.

1522541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522541 is an equidigital number, since it uses as much as digits as its factorization.

1522541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 400, while the sum is 20.

The square root of 1522541 is about 1233.9128818519. The cubic root of 1522541 is about 115.0419758550.

Adding to 1522541 its reverse (1452251), we get a palindrome (2974792).

The spelling of 1522541 in words is "one million, five hundred twenty-two thousand, five hundred forty-one".