1352878825 has 6 divisors (see below), whose sum is σ = 1677569774. Its totient is φ = 1082303040.

The previous prime is 1352878823. The next prime is 1352878847. The reversal of 1352878825 is 5288782531.

It can be written as a sum of positive squares in 3 ways, for example, as 36864 + 1352841961 = 192^2 + 36781^2 .

It is not a de Polignac number, because 1352878825 - 2¹ = 1352878823 is a prime.

It is a super-2 number, since 2×1352878825² = 3660562230266761250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352878823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27057552 + ... + 27057601.

Almost surely, 2^1352878825 is an apocalyptic number.

It is an amenable number.

1352878825 is a deficient number, since it is larger than the sum of its proper divisors (324690949).

1352878825 is an equidigital number, since it uses as much as digits as its factorization.

1352878825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54115163 (or 54115158 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

The square root of 1352878825 is about 36781.5011248861. The cubic root of 1352878825 is about 1105.9944979000.

The spelling of 1352878825 in words is "one billion, three hundred fifty-two million, eight hundred seventy-eight thousand, eight hundred twenty-five".