1255425351 has 4 divisors (see below), whose sum is σ = 1673900472. Its totient is φ = 836950232.

The previous prime is 1255425349. The next prime is 1255425373. The reversal of 1255425351 is 1535245521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1535245521 = 3 ⋅511748507.

It is a cyclic number.

It is not a de Polignac number, because 1255425351 - 2¹ = 1255425349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255420351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209237556 + ... + 209237561.

It is an arithmetic number, because the mean of its divisors is an integer number (418475118).

Almost surely, 2^1255425351 is an apocalyptic number.

1255425351 is a deficient number, since it is larger than the sum of its proper divisors (418475121).

1255425351 is an equidigital number, since it uses as much as digits as its factorization.

1255425351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418475120.

The product of its digits is 30000, while the sum is 33.

The square root of 1255425351 is about 35431.9820360081. The cubic root of 1255425351 is about 1078.7735709503.

The spelling of 1255425351 in words is "one billion, two hundred fifty-five million, four hundred twenty-five thousand, three hundred fifty-one".