1813125007 has 2 divisors, whose sum is σ = 1813125008. Its totient is φ = 1813125006.

The previous prime is 1813124959. The next prime is 1813125053. The reversal of 1813125007 is 7005213181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1813125007 - 2²³ = 1804736399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1813125607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906562503 + 906562504.

It is an arithmetic number, because the mean of its divisors is an integer number (906562504).

Almost surely, 2^1813125007 is an apocalyptic number.

1813125007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1813125007 is an equidigital number, since it uses as much as digits as its factorization.

1813125007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1813125007 is about 42580.8056170853. The cubic root of 1813125007 is about 1219.3898693805.

Adding to 1813125007 its reverse (7005213181), we get a palindrome (8818338188).

The spelling of 1813125007 in words is "one billion, eight hundred thirteen million, one hundred twenty-five thousand, seven".