3125162261 has 8 divisors (see below), whose sum is σ = 3366101760. Its totient is φ = 2884300272.

The previous prime is 3125162251. The next prime is 3125162321. The reversal of 3125162261 is 1622615213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3125162261 - 2⁶ = 3125162197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125162251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85376 + ... + 116358.

It is an arithmetic number, because the mean of its divisors is an integer number (420762720).

Almost surely, 2^3125162261 is an apocalyptic number.

It is an amenable number.

3125162261 is a deficient number, since it is larger than the sum of its proper divisors (240939499).

3125162261 is a wasteful number, since it uses less digits than its factorization.

3125162261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38755.

The product of its digits is 4320, while the sum is 29.

The square root of 3125162261 is about 55903.1507251604. The cubic root of 3125162261 is about 1462.0341728841.

Adding to 3125162261 its reverse (1622615213), we get a palindrome (4747777474).

The spelling of 3125162261 in words is "three billion, one hundred twenty-five million, one hundred sixty-two thousand, two hundred sixty-one".