2542301021 has 16 divisors (see below), whose sum is σ = 2872920960. Its totient is φ = 2232120000.

The previous prime is 2542301011. The next prime is 2542301051. The reversal of 2542301021 is 1201032452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542301021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2542300984 and 2542301002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542301011) 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, 29771 + ... + 77271.

It is an arithmetic number, because the mean of its divisors is an integer number (179557560).

Almost surely, 2^2542301021 is an apocalyptic number.

It is an amenable number.

2542301021 is a deficient number, since it is larger than the sum of its proper divisors (330619939).

2542301021 is a wasteful number, since it uses less digits than its factorization.

2542301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47716.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2542301021 is about 50421.2358138910. The cubic root of 2542301021 is about 1364.8208777109.

Adding to 2542301021 its reverse (1201032452), we get a palindrome (3743333473).

The spelling of 2542301021 in words is "two billion, five hundred forty-two million, three hundred one thousand, twenty-one".