198153001 has 2 divisors, whose sum is σ = 198153002. Its totient is φ = 198153000.

The previous prime is 198152993. The next prime is 198153017. The reversal of 198153001 is 100351891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164454976 + 33698025 = 12824^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 198153001 - 2³ = 198152993 is a prime.

It is a super-2 number, since 2×198153001² = 78529223610612002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198153031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99076500 + 99076501.

It is an arithmetic number, because the mean of its divisors is an integer number (99076501).

Almost surely, 2^198153001 is an apocalyptic number.

It is an amenable number.

198153001 is a deficient number, since it is larger than the sum of its proper divisors (1).

198153001 is an equidigital number, since it uses as much as digits as its factorization.

198153001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 198153001 is about 14076.6828834069. The cubic root of 198153001 is about 582.9977580830.

The spelling of 198153001 in words is "one hundred ninety-eight million, one hundred fifty-three thousand, one".