1552401233 has 4 divisors (see below), whose sum is σ = 1605932340. Its totient is φ = 1498870128.

The previous prime is 1552401197. The next prime is 1552401239. The reversal of 1552401233 is 3321042551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1309571344 + 242829889 = 36188^2 + 15583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552401233 - 2⁸ = 1552400977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552401239) 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, 26765510 + ... + 26765567.

It is an arithmetic number, because the mean of its divisors is an integer number (401483085).

Almost surely, 2^1552401233 is an apocalyptic number.

It is an amenable number.

1552401233 is a deficient number, since it is larger than the sum of its proper divisors (53531107).

1552401233 is an equidigital number, since it uses as much as digits as its factorization.

1552401233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53531106.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1552401233 is about 39400.5232579467. The cubic root of 1552401233 is about 1157.8918390948.

Adding to 1552401233 its reverse (3321042551), we get a palindrome (4873443784).

The spelling of 1552401233 in words is "one billion, five hundred fifty-two million, four hundred one thousand, two hundred thirty-three".