1523150213 has 8 divisors (see below), whose sum is σ = 1641137400. Its totient is φ = 1405280448.

The previous prime is 1523150129. The next prime is 1523150221. The reversal of 1523150213 is 3120513251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2696164 + 1520454049 = 1642^2 + 38993^2 .

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

It is not a de Polignac number, because 1523150213 - 2¹⁰ = 1523149189 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 (1523150813) 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, 1418 + ... + 55211.

It is an arithmetic number, because the mean of its divisors is an integer number (205142175).

Almost surely, 2^1523150213 is an apocalyptic number.

1523150213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1523150213 is a deficient number, since it is larger than the sum of its proper divisors (117987187).

1523150213 is a wasteful number, since it uses less digits than its factorization.

1523150213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58711.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1523150213 is about 39027.5570975176. The cubic root of 1523150213 is about 1150.5731769066.

Adding to 1523150213 its reverse (3120513251), we get a palindrome (4643663464).

The spelling of 1523150213 in words is "one billion, five hundred twenty-three million, one hundred fifty thousand, two hundred thirteen".