1022451523 has 2 divisors, whose sum is σ = 1022451524. Its totient is φ = 1022451522.

The previous prime is 1022451497. The next prime is 1022451539. The reversal of 1022451523 is 3251542201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3251542201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022451523 - 2⁹ = 1022451011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022451323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511225761 + 511225762.

It is an arithmetic number, because the mean of its divisors is an integer number (511225762).

Almost surely, 2^1022451523 is an apocalyptic number.

1022451523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022451523 is an equidigital number, since it uses as much as digits as its factorization.

1022451523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1022451523 is about 31975.7958931439. The cubic root of 1022451523 is about 1007.4285214269.

Adding to 1022451523 its reverse (3251542201), we get a palindrome (4273993724).

The spelling of 1022451523 in words is "one billion, twenty-two million, four hundred fifty-one thousand, five hundred twenty-three".