1350643525 has 96 divisors (see below), whose sum is σ = 2172360960. Its totient is φ = 808704000.

The previous prime is 1350643501. The next prime is 1350643537. The reversal of 1350643525 is 5253460531.

It is not a de Polignac number, because 1350643525 - 2⁵ = 1350643493 is a prime.

It is a super-4 number, since 4×1350643525⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8602747 + ... + 8602903.

It is an arithmetic number, because the mean of its divisors is an integer number (22628760).

Almost surely, 2^1350643525 is an apocalyptic number.

It is an amenable number.

1350643525 is a deficient number, since it is larger than the sum of its proper divisors (821717435).

1350643525 is a wasteful number, since it uses less digits than its factorization.

1350643525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 1350643525 is about 36751.1023644189. The cubic root of 1350643525 is about 1105.3850340193.

The spelling of 1350643525 in words is "one billion, three hundred fifty million, six hundred forty-three thousand, five hundred twenty-five".