1351040251 has 8 divisors (see below), whose sum is σ = 1476028224. Its totient is φ = 1226413320.

The previous prime is 1351040221. The next prime is 1351040279. The reversal of 1351040251 is 1520401531.

It is a happy number.

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

It is not a de Polignac number, because 1351040251 - 2⁷ = 1351040123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351040221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82401 + ... + 97426.

It is an arithmetic number, because the mean of its divisors is an integer number (184503528).

Almost surely, 2^1351040251 is an apocalyptic number.

1351040251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1351040251 is a deficient number, since it is larger than the sum of its proper divisors (124987973).

1351040251 is a wasteful number, since it uses less digits than its factorization.

1351040251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180521.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1351040251 is about 36756.4994388748. The cubic root of 1351040251 is about 1105.4932520760.

Adding to 1351040251 its reverse (1520401531), we get a palindrome (2871441782).

The spelling of 1351040251 in words is "one billion, three hundred fifty-one million, forty thousand, two hundred fifty-one".