2515424042 has 4 divisors (see below), whose sum is σ = 3773136066. Its totient is φ = 1257712020.

The previous prime is 2515423993. The next prime is 2515424053. The reversal of 2515424042 is 2404245152.

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

It can be written as a sum of positive squares in only one way, i.e., 2493903721 + 21520321 = 49939^2 + 4639^2 .

It is a super-2 number, since 2×2515424042² = 12654716222143235528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2515423996 and 2515424014.

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 as a sum of consecutive naturals, namely, 628856009 + ... + 628856012.

Almost surely, 2^2515424042 is an apocalyptic number.

2515424042 is a deficient number, since it is larger than the sum of its proper divisors (1257712024).

2515424042 is a wasteful number, since it uses less digits than its factorization.

2515424042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257712023.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2515424042 is about 50154.0032499899. The cubic root of 2515424042 is about 1359.9942405321.

Adding to 2515424042 its reverse (2404245152), we get a palindrome (4919669194).

The spelling of 2515424042 in words is "two billion, five hundred fifteen million, four hundred twenty-four thousand, forty-two".