1255430351 has 16 divisors (see below), whose sum is σ = 1456729920. Its totient is φ = 1059717120.

The previous prime is 1255430333. The next prime is 1255430353. The reversal of 1255430351 is 1530345521.

It is not a de Polignac number, because 1255430351 - 2⁶ = 1255430287 is a prime.

It is a super-2 number, since 2×1255430351² = 3152210732423966402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255430353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156191 + ... + 164031.

It is an arithmetic number, because the mean of its divisors is an integer number (91045620).

Almost surely, 2^1255430351 is an apocalyptic number.

1255430351 is a deficient number, since it is larger than the sum of its proper divisors (201299569).

1255430351 is an equidigital number, since it uses as much as digits as its factorization.

1255430351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1255430351 is about 35432.0525936616. The cubic root of 1255430351 is about 1078.7750030972.

Adding to 1255430351 its reverse (1530345521), we get a palindrome (2785775872).

The spelling of 1255430351 in words is "one billion, two hundred fifty-five million, four hundred thirty thousand, three hundred fifty-one".