1051255493 has 2 divisors, whose sum is σ = 1051255494. Its totient is φ = 1051255492.

The previous prime is 1051255463. The next prime is 1051255523. The reversal of 1051255493 is 3945521501.

It is a balanced prime because it is at equal distance from previous prime (1051255463) and next prime (1051255523).

It can be written as a sum of positive squares in only one way, i.e., 728622049 + 322633444 = 26993^2 + 17962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051255493 - 2¹⁰ = 1051254469 is a prime.

It is a super-2 number, since 2×1051255493² = 2210276223125346098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051255463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525627746 + 525627747.

It is an arithmetic number, because the mean of its divisors is an integer number (525627747).

Almost surely, 2^1051255493 is an apocalyptic number.

It is an amenable number.

1051255493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051255493 is an equidigital number, since it uses as much as digits as its factorization.

1051255493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1051255493 is about 32423.0703820597. The cubic root of 1051255493 is about 1016.8012997492.

Adding to 1051255493 its reverse (3945521501), we get a palindrome (4996776994).

The spelling of 1051255493 in words is "one billion, fifty-one million, two hundred fifty-five thousand, four hundred ninety-three".