10245405021 has 8 divisors (see below), whose sum is σ = 13661061600. Its totient is φ = 6830009232.

The previous prime is 10245404971. The next prime is 10245405029. The reversal of 10245405021 is 12050454201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10245405021 - 2⁷ = 10245404893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10245404982 and 10245405000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10245405029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61830 + ... + 155928.

It is an arithmetic number, because the mean of its divisors is an integer number (1707632700).

Almost surely, 2^10245405021 is an apocalyptic number.

It is an amenable number.

10245405021 is a deficient number, since it is larger than the sum of its proper divisors (3415656579).

10245405021 is an equidigital number, since it uses as much as digits as its factorization.

10245405021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130395.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 10245405021 its reverse (12050454201), we get a palindrome (22295859222).

It can be divided in two parts, 1024 and 5405021, that added together give a palindrome (5406045).

The spelling of 10245405021 in words is "ten billion, two hundred forty-five million, four hundred five thousand, twenty-one".