245161603 has 2 divisors, whose sum is σ = 245161604. Its totient is φ = 245161602.

The previous prime is 245161561. The next prime is 245161627. The reversal of 245161603 is 306161542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245161603 - 2¹³ = 245153411 is a prime.

It is equal to p_13429045 and since 245161603 and 13429045 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (245161703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122580801 + 122580802.

It is an arithmetic number, because the mean of its divisors is an integer number (122580802).

Almost surely, 2^245161603 is an apocalyptic number.

245161603 is a deficient number, since it is larger than the sum of its proper divisors (1).

245161603 is an equidigital number, since it uses as much as digits as its factorization.

245161603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 245161603 is about 15657.6372100007. The cubic root of 245161603 is about 625.8700228943.

The spelling of 245161603 in words is "two hundred forty-five million, one hundred sixty-one thousand, six hundred three".