2042520245 has 8 divisors (see below), whose sum is σ = 2451455160. Its totient is φ = 1633728960.

The previous prime is 2042520239. The next prime is 2042520251. The reversal of 2042520245 is 5420252402.

It is an interprime number because it is at equal distance from previous prime (2042520239) and next prime (2042520251).

It can be written as a sum of positive squares in 4 ways, for example, as 293764 + 2042226481 = 542^2 + 45191^2 .

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

It is not a de Polignac number, because 2042520245 - 2¹⁴ = 2042503861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 63935.

It is an arithmetic number, because the mean of its divisors is an integer number (306431895).

Almost surely, 2^2042520245 is an apocalyptic number.

It is an amenable number.

2042520245 is a deficient number, since it is larger than the sum of its proper divisors (408934915).

2042520245 is an equidigital number, since it uses as much as digits as its factorization.

2042520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71815.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2042520245 is about 45194.2501320688. The cubic root of 2042520245 is about 1268.7872037430.

Adding to 2042520245 its reverse (5420252402), we get a palindrome (7462772647).

The spelling of 2042520245 in words is "two billion, forty-two million, five hundred twenty thousand, two hundred forty-five".