1351013225 has 24 divisors (see below), whose sum is σ = 1693284480. Its totient is φ = 1069248320.

The previous prime is 1351013159. The next prime is 1351013231. The reversal of 1351013225 is 5223101531.

It is a happy number.

It is not a de Polignac number, because 1351013225 - 2¹⁴ = 1350996841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351013225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1033022 + ... + 1034328.

It is an arithmetic number, because the mean of its divisors is an integer number (70553520).

Almost surely, 2^1351013225 is an apocalyptic number.

It is an amenable number.

1351013225 is a deficient number, since it is larger than the sum of its proper divisors (342271255).

1351013225 is a wasteful number, since it uses less digits than its factorization.

1351013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1351013225 is about 36756.1318013743. The cubic root of 1351013225 is about 1105.4858806549.

Adding to 1351013225 its reverse (5223101531), we get a palindrome (6574114756).

The spelling of 1351013225 in words is "one billion, three hundred fifty-one million, thirteen thousand, two hundred twenty-five".