1522061 has 4 divisors (see below), whose sum is σ = 1611612. Its totient is φ = 1432512.

The previous prime is 1522057. The next prime is 1522063. The reversal of 1522061 is 1602251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 164836 = 1165^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522061 - 2² = 1522057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 89533 = 1522061 / (1 + 5 + 2 + 2 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522063) 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, 44750 + ... + 44783.

It is an arithmetic number, because the mean of its divisors is an integer number (402903).

2^1522061 is an apocalyptic number.

It is an amenable number.

1522061 is a deficient number, since it is larger than the sum of its proper divisors (89551).

1522061 is an equidigital number, since it uses as much as digits as its factorization.

1522061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89550.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1522061 is about 1233.7183633228. The cubic root of 1522061 is about 115.0298851127.

The spelling of 1522061 in words is "one million, five hundred twenty-two thousand, sixty-one".