1022523253 has 2 divisors, whose sum is σ = 1022523254. Its totient is φ = 1022523252.

The previous prime is 1022523233. The next prime is 1022523263. The reversal of 1022523253 is 3523252201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009142289 + 13380964 = 31767^2 + 3658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022523253 - 2⁵ = 1022523221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022523233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511261626 + 511261627.

It is an arithmetic number, because the mean of its divisors is an integer number (511261627).

Almost surely, 2^1022523253 is an apocalyptic number.

It is an amenable number.

1022523253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022523253 is an equidigital number, since it uses as much as digits as its factorization.

1022523253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1022523253 is about 31976.9175030990. The cubic root of 1022523253 is about 1007.4520795635.

Adding to 1022523253 its reverse (3523252201), we get a palindrome (4545775454).

The spelling of 1022523253 in words is "one billion, twenty-two million, five hundred twenty-three thousand, two hundred fifty-three".