1351597825 has 6 divisors (see below), whose sum is σ = 1675981334. Its totient is φ = 1081278240.

The previous prime is 1351597811. The next prime is 1351597831. The reversal of 1351597825 is 5287951531.

It can be written as a sum of positive squares in 3 ways, for example, as 7935489 + 1343662336 = 2817^2 + 36656^2 .

It is not a de Polignac number, because 1351597825 - 2¹³ = 1351589633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27031932 + ... + 27031981.

Almost surely, 2^1351597825 is an apocalyptic number.

It is an amenable number.

1351597825 is a deficient number, since it is larger than the sum of its proper divisors (324383509).

1351597825 is an equidigital number, since it uses as much as digits as its factorization.

1351597825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54063923 (or 54063918 counting only the distinct ones).

The product of its digits is 378000, while the sum is 46.

The square root of 1351597825 is about 36764.0833559059. The cubic root of 1351597825 is about 1105.6453100966.

The spelling of 1351597825 in words is "one billion, three hundred fifty-one million, five hundred ninety-seven thousand, eight hundred twenty-five".