1205425535 has 4 divisors (see below), whose sum is σ = 1446510648. Its totient is φ = 964340424.

The previous prime is 1205425457. The next prime is 1205425589. The reversal of 1205425535 is 5355245021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1205425535 - 2⁸ = 1205425279 is a prime.

It is a super-3 number, since 3×1205425535³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120542549 + ... + 120542558.

It is an arithmetic number, because the mean of its divisors is an integer number (361627662).

Almost surely, 2^1205425535 is an apocalyptic number.

1205425535 is a deficient number, since it is larger than the sum of its proper divisors (241085113).

1205425535 is an equidigital number, since it uses as much as digits as its factorization.

1205425535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241085112.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1205425535 is about 34719.2386869298. The cubic root of 1205425535 is about 1064.2576869294.

The spelling of 1205425535 in words is "one billion, two hundred five million, four hundred twenty-five thousand, five hundred thirty-five".