51525222252451 has 2 divisors, whose sum is σ = 51525222252452. Its totient is φ = 51525222252450.

The previous prime is 51525222252443. The next prime is 51525222252503. The reversal of 51525222252451 is 15425222252515.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51525222252451 - 2³ = 51525222252443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51525222252398 and 51525222252407.

It is not a weakly prime, because it can be changed into another prime (51525222252401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25762611126225 + 25762611126226.

It is an arithmetic number, because the mean of its divisors is an integer number (25762611126226).

Almost surely, 2^{51525222252451} is an apocalyptic number.

51525222252451 is a deficient number, since it is larger than the sum of its proper divisors (1).

51525222252451 is an equidigital number, since it uses as much as digits as its factorization.

51525222252451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800000, while the sum is 43.

The spelling of 51525222252451 in words is "fifty-one trillion, five hundred twenty-five billion, two hundred twenty-two million, two hundred fifty-two thousand, four hundred fifty-one".