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7625249 is a prime number
BaseRepresentation
bin11101000101101000100001
3112100101212122
4131011220201
53423001444
6431234025
7121546022
oct35055041
915311778
107625249
114338a65
122678915
13176c9a8
141026c49
15a094ee
hex745a21

7625249 has 2 divisors, whose sum is σ = 7625250. Its totient is φ = 7625248.

The previous prime is 7625227. The next prime is 7625257. The reversal of 7625249 is 9425267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 117649 = 2740^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625249 - 220 = 6576673 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 77 + 62 + 23 + 59 + 25 + 48 + 97 .

It is not a weakly prime, because it can be changed into another prime (7625209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812624 + 3812625.

It is an arithmetic number, because the mean of its divisors is an integer number (3812625).

Almost surely, 27625249 is an apocalyptic number.

It is an amenable number.

7625249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625249 is an equidigital number, since it uses as much as digits as its factorization.

7625249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 7625249 is about 2761.3853407303. The cubic root of 7625249 is about 196.8270016188.

The spelling of 7625249 in words is "seven million, six hundred twenty-five thousand, two hundred forty-nine".