2256533151 has 32 divisors (see below), whose sum is σ = 3186501120. Its totient is φ = 1417578624.

The previous prime is 2256533137. The next prime is 2256533161. The reversal of 2256533151 is 1513356522.

It is a happy number.

It is not a de Polignac number, because 2256533151 - 2¹⁷ = 2256402079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256533101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1480876 + ... + 1482398.

It is an arithmetic number, because the mean of its divisors is an integer number (99578160).

Almost surely, 2^2256533151 is an apocalyptic number.

2256533151 is a deficient number, since it is larger than the sum of its proper divisors (929967969).

2256533151 is a wasteful number, since it uses less digits than its factorization.

2256533151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its digits is 27000, while the sum is 33.

The square root of 2256533151 is about 47502.9804433364. The cubic root of 2256533151 is about 1311.6377455703.

Adding to 2256533151 its reverse (1513356522), we get a palindrome (3769889673).

The spelling of 2256533151 in words is "two billion, two hundred fifty-six million, five hundred thirty-three thousand, one hundred fifty-one".