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625233397 is a prime number
BaseRepresentation
bin100101010001000…
…100110111110101
31121120111010222111
4211101010313311
52240024432042
6142012531021
721331252615
oct4521046765
91546433874
10625233397
112a0a23118
12155480a71
139c6c20b9
145d074a45
1539d54517
hex25444df5

625233397 has 2 divisors, whose sum is σ = 625233398. Its totient is φ = 625233396.

The previous prime is 625233391. The next prime is 625233461. The reversal of 625233397 is 793332526.

It is a happy number.

625233397 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., 622702116 + 2531281 = 24954^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 625233397 - 227 = 491015669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625233391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312616698 + 312616699.

It is an arithmetic number, because the mean of its divisors is an integer number (312616699).

Almost surely, 2625233397 is an apocalyptic number.

It is an amenable number.

625233397 is a deficient number, since it is larger than the sum of its proper divisors (1).

625233397 is an equidigital number, since it uses as much as digits as its factorization.

625233397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 40.

The square root of 625233397 is about 25004.6675042881. The cubic root of 625233397 is about 855.0943876281.

The spelling of 625233397 in words is "six hundred twenty-five million, two hundred thirty-three thousand, three hundred ninety-seven".