197270401 has 4 divisors (see below), whose sum is σ = 200504404. Its totient is φ = 194036400.

The previous prime is 197270389. The next prime is 197270413. The reversal of 197270401 is 104072791.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (197270389) and next prime (197270413).

It can be written as a sum of positive squares in 2 ways, for example, as 23030401 + 174240000 = 4799^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 197270401 - 2⁹ = 197269889 is a prime.

It is a super-2 number, since 2×197270401² = 77831222221401602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197270461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616910 + ... + 1617031.

It is an arithmetic number, because the mean of its divisors is an integer number (50126101).

Almost surely, 2^197270401 is an apocalyptic number.

It is an amenable number.

197270401 is a deficient number, since it is larger than the sum of its proper divisors (3234003).

197270401 is an equidigital number, since it uses as much as digits as its factorization.

197270401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234002.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 197270401 is about 14045.2981812420. The cubic root of 197270401 is about 582.1308863919.

The spelling of 197270401 in words is "one hundred ninety-seven million, two hundred seventy thousand, four hundred one".