1930540201 has 4 divisors (see below), whose sum is σ = 2032147600. Its totient is φ = 1828932804.

The previous prime is 1930540189. The next prime is 1930540229. The reversal of 1930540201 is 1020450391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1020450391 = 137 ⋅7448543.

It is a cyclic number.

It is not a de Polignac number, because 1930540201 - 2¹¹ = 1930538153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930510201) 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, 50803671 + ... + 50803708.

It is an arithmetic number, because the mean of its divisors is an integer number (508036900).

Almost surely, 2^1930540201 is an apocalyptic number.

It is an amenable number.

1930540201 is a deficient number, since it is larger than the sum of its proper divisors (101607399).

1930540201 is a wasteful number, since it uses less digits than its factorization.

1930540201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101607398.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1930540201 is about 43937.9130250857. The cubic root of 1930540201 is about 1245.1632181190.

Adding to 1930540201 its reverse (1020450391), we get a palindrome (2950990592).

The spelling of 1930540201 in words is "one billion, nine hundred thirty million, five hundred forty thousand, two hundred one".