1523013 has 8 divisors (see below), whose sum is σ = 2150208. Its totient is φ = 955584.

The previous prime is 1523009. The next prime is 1523063. The reversal of 1523013 is 3103251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1523013 - 2² = 1523009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1522983 and 1523001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14881 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (268776).

2^1523013 is an apocalyptic number.

It is an amenable number.

1523013 is a deficient number, since it is larger than the sum of its proper divisors (627195).

1523013 is a wasteful number, since it uses less digits than its factorization.

1523013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29883.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1523013 is about 1234.1041285078. The cubic root of 1523013 is about 115.0538626071.

Adding to 1523013 its reverse (3103251), we get a palindrome (4626264).

The spelling of 1523013 in words is "one million, five hundred twenty-three thousand, thirteen".