1534051213 has 4 divisors (see below), whose sum is σ = 1583536768. Its totient is φ = 1484565660.

The previous prime is 1534051159. The next prime is 1534051231. The reversal of 1534051213 is 3121504351.

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 a de Polignac number, because none of the positive numbers 2^k-1534051213 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 (1534051313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24742731 + ... + 24742792.

It is an arithmetic number, because the mean of its divisors is an integer number (395884192).

Almost surely, 2^1534051213 is an apocalyptic number.

It is an amenable number.

1534051213 is a deficient number, since it is larger than the sum of its proper divisors (49485555).

1534051213 is an equidigital number, since it uses as much as digits as its factorization.

1534051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49485554.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1534051213 is about 39166.9658385737. The cubic root of 1534051213 is about 1153.3114918867.

Adding to 1534051213 its reverse (3121504351), we get a palindrome (4655555564).

The spelling of 1534051213 in words is "one billion, five hundred thirty-four million, fifty-one thousand, two hundred thirteen".