2061297401 has 4 divisors (see below), whose sum is σ = 2062992372. Its totient is φ = 2059602432.

The previous prime is 2061297391. The next prime is 2061297419. The reversal of 2061297401 is 1047921602.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1422421225 + 638876176 = 37715^2 + 25276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061297401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061297461) 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, 845660 + ... + 848093.

It is an arithmetic number, because the mean of its divisors is an integer number (515748093).

Almost surely, 2^2061297401 is an apocalyptic number.

It is an amenable number.

2061297401 is a deficient number, since it is larger than the sum of its proper divisors (1694971).

2061297401 is a wasteful number, since it uses less digits than its factorization.

2061297401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694970.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2061297401 is about 45401.5132016544. The cubic root of 2061297401 is about 1272.6633920830.

The spelling of 2061297401 in words is "two billion, sixty-one million, two hundred ninety-seven thousand, four hundred one".