2542030203401 has 4 divisors (see below), whose sum is σ = 2737570988292. Its totient is φ = 2346489418512.

The previous prime is 2542030203397. The next prime is 2542030203421. The reversal of 2542030203401 is 1043020302452.

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 1348441178176 + 1193589025225 = 1161224^2 + 1092515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542030203401 - 2² = 2542030203397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542030203421) 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, 97770392426 + ... + 97770392451.

It is an arithmetic number, because the mean of its divisors is an integer number (684392747073).

Almost surely, 2^{2542030203401} is an apocalyptic number.

It is an amenable number.

2542030203401 is a deficient number, since it is larger than the sum of its proper divisors (195540784891).

2542030203401 is a wasteful number, since it uses less digits than its factorization.

2542030203401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195540784890.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 2542030203401 its reverse (1043020302452), we get a palindrome (3585050505853).

The spelling of 2542030203401 in words is "two trillion, five hundred forty-two billion, thirty million, two hundred three thousand, four hundred one".