2421542401 has 16 divisors (see below), whose sum is σ = 2555117568. Its totient is φ = 2291965200.

The previous prime is 2421542399. The next prime is 2421542411. The reversal of 2421542401 is 1042451242.

It is not a de Polignac number, because 2421542401 - 2¹ = 2421542399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421542411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275196 + ... + 283858.

It is an arithmetic number, because the mean of its divisors is an integer number (159694848).

Almost surely, 2^2421542401 is an apocalyptic number.

It is an amenable number.

2421542401 is a deficient number, since it is larger than the sum of its proper divisors (133575167).

2421542401 is a wasteful number, since it uses less digits than its factorization.

2421542401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2421542401 is about 49209.1698873289. The cubic root of 2421542401 is about 1342.8598609222.

Adding to 2421542401 its reverse (1042451242), we get a palindrome (3463993643).

The spelling of 2421542401 in words is "two billion, four hundred twenty-one million, five hundred forty-two thousand, four hundred one".