1552155001 has 2 divisors, whose sum is σ = 1552155002. Its totient is φ = 1552155000.

The previous prime is 1552154993. The next prime is 1552155013. The reversal of 1552155001 is 1005512551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283358976 + 268796025 = 35824^2 + 16395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552155001 - 2³ = 1552154993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552155041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776077500 + 776077501.

It is an arithmetic number, because the mean of its divisors is an integer number (776077501).

Almost surely, 2^1552155001 is an apocalyptic number.

It is an amenable number.

1552155001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552155001 is an equidigital number, since it uses as much as digits as its factorization.

1552155001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 1552155001 is about 39397.3984039556. The cubic root of 1552155001 is about 1157.8306167139.

Adding to 1552155001 its reverse (1005512551), we get a palindrome (2557667552).

The spelling of 1552155001 in words is "one billion, five hundred fifty-two million, one hundred fifty-five thousand, one".