1553231241 has 16 divisors (see below), whose sum is σ = 2309401600. Its totient is φ = 1031744304.

The previous prime is 1553231233. The next prime is 1553231257. The reversal of 1553231241 is 1421323551.

1553231241 is a `hidden beast` number, since 1 + 5 + 532 + 3 + 124 + 1 = 666.

It is not a de Polignac number, because 1553231241 - 2³ = 1553231233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1553231441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96361 + ... + 111318.

It is an arithmetic number, because the mean of its divisors is an integer number (144337600).

Almost surely, 2^1553231241 is an apocalyptic number.

It is an amenable number.

1553231241 is a deficient number, since it is larger than the sum of its proper divisors (756170359).

1553231241 is a wasteful number, since it uses less digits than its factorization.

1553231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207965 (or 207959 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1553231241 is about 39411.0548069955. The cubic root of 1553231241 is about 1158.0981620994.

Adding to 1553231241 its reverse (1421323551), we get a palindrome (2974554792).

The spelling of 1553231241 in words is "one billion, five hundred fifty-three million, two hundred thirty-one thousand, two hundred forty-one".