1552353401 has 4 divisors (see below), whose sum is σ = 1552626804. Its totient is φ = 1552080000.

The previous prime is 1552353379. The next prime is 1552353403. The reversal of 1552353401 is 1043532551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1043532551 = 61 ⋅17107091.

It can be written as a sum of positive squares in 2 ways, for example, as 735765625 + 816587776 = 27125^2 + 28576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552353401 - 2⁶ = 1552353337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552353403) 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, 128000 + ... + 139601.

It is an arithmetic number, because the mean of its divisors is an integer number (388156701).

Almost surely, 2^1552353401 is an apocalyptic number.

It is an amenable number.

1552353401 is a deficient number, since it is larger than the sum of its proper divisors (273403).

1552353401 is an equidigital number, since it uses as much as digits as its factorization.

1552353401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273402.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1552353401 is about 39399.9162562562. The cubic root of 1552353401 is about 1157.8799467974.

Adding to 1552353401 its reverse (1043532551), we get a palindrome (2595885952).

The spelling of 1552353401 in words is "one billion, five hundred fifty-two million, three hundred fifty-three thousand, four hundred one".