2519150042 has 4 divisors (see below), whose sum is σ = 3778725066. Its totient is φ = 1259575020.

The previous prime is 2519150041. The next prime is 2519150087. The reversal of 2519150042 is 2400519152.

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., 2516125921 + 3024121 = 50161^2 + 1739^2 .

It is a super-2 number, since 2×2519150042² = 12692233868217203528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2519149987 and 2519150014.

It is not an unprimeable number, because it can be changed into a prime (2519150041) by changing a digit.

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, 629787509 + ... + 629787512.

Almost surely, 2^2519150042 is an apocalyptic number.

2519150042 is a deficient number, since it is larger than the sum of its proper divisors (1259575024).

2519150042 is a wasteful number, since it uses less digits than its factorization.

2519150042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259575023.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2519150042 is about 50191.1350937593. The cubic root of 2519150042 is about 1360.6654114752.

Adding to 2519150042 its reverse (2400519152), we get a palindrome (4919669194).

The spelling of 2519150042 in words is "two billion, five hundred nineteen million, one hundred fifty thousand, forty-two".