2520263542 has 4 divisors (see below), whose sum is σ = 3780395316. Its totient is φ = 1260131770.

The previous prime is 2520263519. The next prime is 2520263591. The reversal of 2520263542 is 2453620252.

2520263542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2520263542² = 12703456642268771528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630065884 + ... + 630065887.

It is an arithmetic number, because the mean of its divisors is an integer number (945098829).

Almost surely, 2^2520263542 is an apocalyptic number.

2520263542 is a deficient number, since it is larger than the sum of its proper divisors (1260131774).

2520263542 is a wasteful number, since it uses less digits than its factorization.

2520263542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260131773.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2520263542 is about 50202.2264645703. The cubic root of 2520263542 is about 1360.8658597393.

Adding to 2520263542 its reverse (2453620252), we get a palindrome (4973883794).

The spelling of 2520263542 in words is "two billion, five hundred twenty million, two hundred sixty-three thousand, five hundred forty-two".