1345253101 has 2 divisors, whose sum is σ = 1345253102. Its totient is φ = 1345253100.

The previous prime is 1345253099. The next prime is 1345253123. The reversal of 1345253101 is 1013525431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1205895076 + 139358025 = 34726^2 + 11805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345253101 - 2¹ = 1345253099 is a prime.

Together with 1345253099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345253171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672626550 + 672626551.

It is an arithmetic number, because the mean of its divisors is an integer number (672626551).

Almost surely, 2^1345253101 is an apocalyptic number.

It is an amenable number.

1345253101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345253101 is an equidigital number, since it uses as much as digits as its factorization.

1345253101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1345253101 is about 36677.6921438631. The cubic root of 1345253101 is about 1103.9125412606.

Adding to 1345253101 its reverse (1013525431), we get a palindrome (2358778532).

The spelling of 1345253101 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, one hundred one".