2921262481 has 4 divisors (see below), whose sum is σ = 3021995700. Its totient is φ = 2820529264.

The previous prime is 2921262437. The next prime is 2921262493. The reversal of 2921262481 is 1842621292.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2377440081 + 543822400 = 48759^2 + 23320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2921262481 - 2¹³ = 2921254289 is a prime.

It is a super-2 number, since 2×2921262481² = 17067548965796550722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2921262481.

It is not an unprimeable number, because it can be changed into a prime (2921862481) 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, 50366566 + ... + 50366623.

It is an arithmetic number, because the mean of its divisors is an integer number (755498925).

Almost surely, 2^2921262481 is an apocalyptic number.

It is an amenable number.

2921262481 is a deficient number, since it is larger than the sum of its proper divisors (100733219).

2921262481 is a wasteful number, since it uses less digits than its factorization.

2921262481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100733218.

The product of its digits is 27648, while the sum is 37.

The square root of 2921262481 is about 54048.7047115840. The cubic root of 2921262481 is about 1429.5198611379.

The spelling of 2921262481 in words is "two billion, nine hundred twenty-one million, two hundred sixty-two thousand, four hundred eighty-one".