2520605542 has 16 divisors (see below), whose sum is σ = 4653425952. Its totient is φ = 997162560.

The previous prime is 2520605497. The next prime is 2520605561. The reversal of 2520605542 is 2455060252.

It is a happy number.

It is a super-2 number, since 2×2520605542² = 12706904596722227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6924559 + ... + 6924922.

It is an arithmetic number, because the mean of its divisors is an integer number (290839122).

Almost surely, 2^2520605542 is an apocalyptic number.

2520605542 is a deficient number, since it is larger than the sum of its proper divisors (2132820410).

2520605542 is a wasteful number, since it uses less digits than its factorization.

2520605542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13849503.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2520605542 is about 50205.6325724515. The cubic root of 2520605542 is about 1360.9274134969.

Adding to 2520605542 its reverse (2455060252), we get a palindrome (4975665794).

The spelling of 2520605542 in words is "two billion, five hundred twenty million, six hundred five thousand, five hundred forty-two".