1452633251 has 2 divisors, whose sum is σ = 1452633252. Its totient is φ = 1452633250.

The previous prime is 1452633223. The next prime is 1452633269. The reversal of 1452633251 is 1523362541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452633251 is a prime.

It is a super-2 number, since 2×1452633251² = 4220286723821658002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1452633451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726316625 + 726316626.

It is an arithmetic number, because the mean of its divisors is an integer number (726316626).

Almost surely, 2^1452633251 is an apocalyptic number.

1452633251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452633251 is an equidigital number, since it uses as much as digits as its factorization.

1452633251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 1452633251 is about 38113.4261251859. The cubic root of 1452633251 is about 1132.5359421496.

Adding to 1452633251 its reverse (1523362541), we get a palindrome (2975995792).

The spelling of 1452633251 in words is "one billion, four hundred fifty-two million, six hundred thirty-three thousand, two hundred fifty-one".