1255051451 has 8 divisors (see below), whose sum is σ = 1303773408. Its totient is φ = 1207192000.

The previous prime is 1255051439. The next prime is 1255051463. The reversal of 1255051451 is 1541505521.

It is an interprime number because it is at equal distance from previous prime (1255051439) and next prime (1255051463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255051451 - 2¹⁰ = 1255050427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255021451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212660 + ... + 218481.

It is an arithmetic number, because the mean of its divisors is an integer number (162971676).

Almost surely, 2^1255051451 is an apocalyptic number.

1255051451 is a deficient number, since it is larger than the sum of its proper divisors (48721957).

1255051451 is an equidigital number, since it uses as much as digits as its factorization.

1255051451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431253.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1255051451 is about 35426.7053365113. The cubic root of 1255051451 is about 1078.6664642267. Note that the first 3 decimals are identical.

Adding to 1255051451 its reverse (1541505521), we get a palindrome (2796556972).

The spelling of 1255051451 in words is "one billion, two hundred fifty-five million, fifty-one thousand, four hundred fifty-one".