1552140401 has 4 divisors (see below), whose sum is σ = 1773874752. Its totient is φ = 1330406052.

The previous prime is 1552140383. The next prime is 1552140437. The reversal of 1552140401 is 1040412551.

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 1552140401 - 2¹⁰ = 1552139377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552140461) 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, 110867165 + ... + 110867178.

It is an arithmetic number, because the mean of its divisors is an integer number (443468688).

Almost surely, 2^1552140401 is an apocalyptic number.

It is an amenable number.

1552140401 is a deficient number, since it is larger than the sum of its proper divisors (221734351).

1552140401 is an equidigital number, since it uses as much as digits as its factorization.

1552140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221734350.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1552140401 is about 39397.2131120972. The cubic root of 1552140401 is about 1157.8269864106.

Adding to 1552140401 its reverse (1040412551), we get a palindrome (2592552952).

The spelling of 1552140401 in words is "one billion, five hundred fifty-two million, one hundred forty thousand, four hundred one".