1553213141 has 4 divisors (see below), whose sum is σ = 1557540000. Its totient is φ = 1548886284.

The previous prime is 1553213131. The next prime is 1553213219. The reversal of 1553213141 is 1413123551.

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 1553213141 - 2²² = 1549018837 is a prime.

It is a super-2 number, since 2×1553213141² = 4824942122750171762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1553213141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553213131) 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, 2162891 + ... + 2163608.

It is an arithmetic number, because the mean of its divisors is an integer number (389385000).

Almost surely, 2^1553213141 is an apocalyptic number.

It is an amenable number.

1553213141 is a deficient number, since it is larger than the sum of its proper divisors (4326859).

1553213141 is an equidigital number, since it uses as much as digits as its factorization.

1553213141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326858.

The product of its digits is 1800, while the sum is 26.

The square root of 1553213141 is about 39410.8251753246. The cubic root of 1553213141 is about 1158.0936635938.

Adding to 1553213141 its reverse (1413123551), we get a palindrome (2966336692).

The spelling of 1553213141 in words is "one billion, five hundred fifty-three million, two hundred thirteen thousand, one hundred forty-one".