1255450451 has 2 divisors, whose sum is σ = 1255450452. Its totient is φ = 1255450450.

The previous prime is 1255450433. The next prime is 1255450477. The reversal of 1255450451 is 1540545521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255450451 - 2⁶ = 1255450387 is a prime.

It is a super-2 number, since 2×1255450451² = 3152311669832206802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255450351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627725225 + 627725226.

It is an arithmetic number, because the mean of its divisors is an integer number (627725226).

Almost surely, 2^1255450451 is an apocalyptic number.

1255450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255450451 is an equidigital number, since it uses as much as digits as its factorization.

1255450451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1255450451 is about 35432.3362340109. The cubic root of 1255450451 is about 1078.7807602895.

Adding to 1255450451 its reverse (1540545521), we get a palindrome (2795995972).

The spelling of 1255450451 in words is "one billion, two hundred fifty-five million, four hundred fifty thousand, four hundred fifty-one".