5421162451 has 2 divisors, whose sum is σ = 5421162452. Its totient is φ = 5421162450.

The previous prime is 5421162449. The next prime is 5421162463. The reversal of 5421162451 is 1542611245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5421162451 - 2¹ = 5421162449 is a prime.

Together with 5421162449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5421162421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710581225 + 2710581226.

It is an arithmetic number, because the mean of its divisors is an integer number (2710581226).

Almost surely, 2^5421162451 is an apocalyptic number.

5421162451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421162451 is an equidigital number, since it uses as much as digits as its factorization.

5421162451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 5421162451 is about 73628.5437245638. The cubic root of 5421162451 is about 1756.6994845245.

Adding to 5421162451 its reverse (1542611245), we get a palindrome (6963773696).

The spelling of 5421162451 in words is "five billion, four hundred twenty-one million, one hundred sixty-two thousand, four hundred fifty-one".