2551351442 has 24 divisors (see below), whose sum is σ = 3919675536. Its totient is φ = 1245233304.

The previous prime is 2551351441. The next prime is 2551351447. The reversal of 2551351442 is 2441531552.

It is a junction number, because it is equal to n+sod(n) for n = 2551351399 and 2551351408.

It is not an unprimeable number, because it can be changed into a prime (2551351441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6731609 + ... + 6731987.

It is an arithmetic number, because the mean of its divisors is an integer number (163319814).

Almost surely, 2^2551351442 is an apocalyptic number.

2551351442 is a deficient number, since it is larger than the sum of its proper divisors (1368324094).

2551351442 is an equidigital number, since it uses as much as digits as its factorization.

2551351442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 571 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 2551351442 is about 50510.9041890956. The cubic root of 2551351442 is about 1366.4385165716.

Adding to 2551351442 its reverse (2441531552), we get a palindrome (4992882994).

The spelling of 2551351442 in words is "two billion, five hundred fifty-one million, three hundred fifty-one thousand, four hundred forty-two".