1522013 has 4 divisors (see below), whose sum is σ = 1525920. Its totient is φ = 1518108.

The previous prime is 1522009. The next prime is 1522019. The reversal of 1522013 is 3102251.

It is a happy number.

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 1522013 - 2² = 1522009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (381480).

2^1522013 is an apocalyptic number.

It is an amenable number.

1522013 is a deficient number, since it is larger than the sum of its proper divisors (3907).

1522013 is an equidigital number, since it uses as much as digits as its factorization.

1522013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

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

The square root of 1522013 is about 1233.6989097831. The cubic root of 1522013 is about 115.0286758987.

Adding to 1522013 its reverse (3102251), we get a palindrome (4624264).

The spelling of 1522013 in words is "one million, five hundred twenty-two thousand, thirteen".