1552401005 has 16 divisors (see below), whose sum is σ = 1899649584. Its totient is φ = 1217448960.

The previous prime is 1552400977. The next prime is 1552401029. The reversal of 1552401005 is 5001042551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 112805641 + 1439595364 = 10621^2 + 37942^2 .

It is not a de Polignac number, because 1552401005 - 2¹⁶ = 1552335469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495845 + ... + 498965.

It is an arithmetic number, because the mean of its divisors is an integer number (118728099).

Almost surely, 2^1552401005 is an apocalyptic number.

It is an amenable number.

1552401005 is a deficient number, since it is larger than the sum of its proper divisors (347248579).

1552401005 is a wasteful number, since it uses less digits than its factorization.

1552401005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1552401005 is about 39400.5203645840. The cubic root of 1552401005 is about 1157.8917824085.

Adding to 1552401005 its reverse (5001042551), we get a palindrome (6553443556).

The spelling of 1552401005 in words is "one billion, five hundred fifty-two million, four hundred one thousand, five".