1355426251 has 2 divisors, whose sum is σ = 1355426252. Its totient is φ = 1355426250.

The previous prime is 1355426243. The next prime is 1355426287. The reversal of 1355426251 is 1526245531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355426251 - 2³ = 1355426243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355427251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677713125 + 677713126.

It is an arithmetic number, because the mean of its divisors is an integer number (677713126).

Almost surely, 2^1355426251 is an apocalyptic number.

1355426251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355426251 is an equidigital number, since it uses as much as digits as its factorization.

1355426251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 1355426251 is about 36816.1140127526. The cubic root of 1355426251 is about 1106.6882463111.

The spelling of 1355426251 in words is "one billion, three hundred fifty-five million, four hundred twenty-six thousand, two hundred fifty-one".