2401205021 has 4 divisors (see below), whose sum is σ = 2466102492. Its totient is φ = 2336307552.

The previous prime is 2401205003. The next prime is 2401205039. The reversal of 2401205021 is 1205021042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1205021042 = 2 ⋅602510521.

It is an interprime number because it is at equal distance from previous prime (2401205003) and next prime (2401205039).

It can be written as a sum of positive squares in 2 ways, for example, as 1935120100 + 466084921 = 43990^2 + 21589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401205021 - 2⁶ = 2401204957 is a prime.

It is a super-2 number, since 2×2401205021² = 11531571105751220882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401202021) 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, 32448680 + ... + 32448753.

It is an arithmetic number, because the mean of its divisors is an integer number (616525623).

Almost surely, 2^2401205021 is an apocalyptic number.

It is an amenable number.

2401205021 is a deficient number, since it is larger than the sum of its proper divisors (64897471).

2401205021 is an equidigital number, since it uses as much as digits as its factorization.

2401205021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64897470.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2401205021 is about 49002.0920063623. The cubic root of 2401205021 is about 1339.0899406619.

Adding to 2401205021 its reverse (1205021042), we get a palindrome (3606226063).

The spelling of 2401205021 in words is "two billion, four hundred one million, two hundred five thousand, twenty-one".