2529263921 has 8 divisors (see below), whose sum is σ = 2565765120. Its totient is φ = 2492875008.

The previous prime is 2529263887. The next prime is 2529263939. The reversal of 2529263921 is 1293629252.

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 2529263921 - 2⁶ = 2529263857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2529263981) 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, 17840 + ... + 73326.

It is an arithmetic number, because the mean of its divisors is an integer number (320720640).

Almost surely, 2^2529263921 is an apocalyptic number.

It is an amenable number.

2529263921 is a deficient number, since it is larger than the sum of its proper divisors (36501199).

2529263921 is an equidigital number, since it uses as much as digits as its factorization.

2529263921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56143.

The product of its digits is 116640, while the sum is 41.

The square root of 2529263921 is about 50291.7878087467. The cubic root of 2529263921 is about 1362.4839123427.

The spelling of 2529263921 in words is "two billion, five hundred twenty-nine million, two hundred sixty-three thousand, nine hundred twenty-one".