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2521032989 is a prime number
BaseRepresentation
bin1001011001000011…
…1110100100011101
320111200202202010012
42112100332210131
520130341023424
61054054253005
7116321266256
oct22620764435
96450682105
102521032989
11108406a442
125a4357165
133123b4ac7
1419cb67b2d
15eb4d2b0e
hex9643e91d

2521032989 has 2 divisors, whose sum is σ = 2521032990. Its totient is φ = 2521032988.

The previous prime is 2521032929. The next prime is 2521033061. The reversal of 2521032989 is 9892301252.

2521032989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2163180100 + 357852889 = 46510^2 + 18917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521032989 - 224 = 2504255773 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521032929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260516494 + 1260516495.

It is an arithmetic number, because the mean of its divisors is an integer number (1260516495).

Almost surely, 22521032989 is an apocalyptic number.

It is an amenable number.

2521032989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521032989 is an equidigital number, since it uses as much as digits as its factorization.

2521032989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2521032989 is about 50209.8893545883. The cubic root of 2521032989 is about 1361.0043383271.

The spelling of 2521032989 in words is "two billion, five hundred twenty-one million, thirty-two thousand, nine hundred eighty-nine".