3225778537 has 4 divisors (see below), whose sum is σ = 3251178496. Its totient is φ = 3200378580.

The previous prime is 3225778529. The next prime is 3225778579. The reversal of 3225778537 is 7358775223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3225778537 - 2³ = 3225778529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225779537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12699789 + ... + 12700042.

It is an arithmetic number, because the mean of its divisors is an integer number (812794624).

Almost surely, 2^3225778537 is an apocalyptic number.

It is an amenable number.

3225778537 is a deficient number, since it is larger than the sum of its proper divisors (25399959).

3225778537 is a wasteful number, since it uses less digits than its factorization.

3225778537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25399958.

The product of its digits is 2469600, while the sum is 49.

The square root of 3225778537 is about 56795.9376804363. The cubic root of 3225778537 is about 1477.5590603232.

The spelling of 3225778537 in words is "three billion, two hundred twenty-five million, seven hundred seventy-eight thousand, five hundred thirty-seven".