2451245242 has 8 divisors (see below), whose sum is σ = 3803656500. Its totient is φ = 1183359744.

The previous prime is 2451245201. The next prime is 2451245257. The reversal of 2451245242 is 2425421542.

It can be written as a sum of positive squares in 2 ways, for example, as 2332020681 + 119224561 = 48291^2 + 10919^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21131367 + ... + 21131482.

Almost surely, 2^2451245242 is an apocalyptic number.

2451245242 is a deficient number, since it is larger than the sum of its proper divisors (1352411258).

2451245242 is a wasteful number, since it uses less digits than its factorization.

2451245242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42262880.

The product of its digits is 25600, while the sum is 31.

The square root of 2451245242 is about 49510.0519288760. The cubic root of 2451245242 is about 1348.3281071805.

Adding to 2451245242 its reverse (2425421542), we get a palindrome (4876666784).

The spelling of 2451245242 in words is "two billion, four hundred fifty-one million, two hundred forty-five thousand, two hundred forty-two".